feat: Add company website links to navbar and footer

- Add 'Company' section to footer with MySovereignty website links
  - Link to main website (mysovereignty.digital)
  - Link to Village Ecosystem page
  - Link to About Us page
- Add 'Company' section to navbar mobile menu
  - Link to main website (mysovereignty.digital)
- Update footer grid layout: md:grid-cols-4 → md:grid-cols-2 lg:grid-cols-5
- Include translations for all 3 languages (EN, DE, FR)
  - EN: Company
  - DE: Unternehmen
  - FR: Entreprise

Files modified:
- public/js/components/footer.js (lines 52-62)
- public/js/components/navbar.js (lines 110-116)
- public/locales/en/common.json
- public/locales/de/common.json
- public/locales/fr/common.json

Tested locally on port 9000 - all links functional, translations verified.

public/js/components/footer.js

@@ -49,7 +49,17 @@
           <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
 
             <!-- Main Footer Content -->
-            <div class="grid grid-cols-1 md:grid-cols-4 gap-8 mb-8">
+            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-5 gap-8 mb-8">
+
+              <!-- Company -->
+              <div>
+                <h3 class="text-white font-semibold mb-4" data-i18n="footer.company_heading">Company</h3>
+                <ul class="space-y-2 text-sm">
+                  <li><a href="https://mysovereignty.digital" class="hover:text-white transition" data-i18n="footer.company_links.website">← MySovereignty</a></li>
+                  <li><a href="https://mysovereignty.digital/ecosystem.html" class="hover:text-white transition" data-i18n="footer.company_links.ecosystem">Village Ecosystem</a></li>
+                  <li><a href="https://mysovereignty.digital/about.html" class="hover:text-white transition" data-i18n="footer.company_links.about_company">About Us</a></li>
+                </ul>
+              </div>
 
               <!-- About -->
               <div>

public/js/components/navbar.js

@@ -107,6 +107,14 @@ class TractatusNavbar {
                 <span class="text-sm font-semibold">🤝 Support (Koha)</span>
               </a>
 
+              <!-- Company -->
+              <div class="pt-3 mt-3 border-t border-gray-200">
+                <p class="text-xs font-semibold text-gray-500 uppercase tracking-wider mb-2 px-3" data-i18n="navbar.company_heading">Company</p>
+                <a href="https://mysovereignty.digital" class="block px-3 py-2.5 text-gray-700 hover:bg-blue-50 hover:text-blue-700 rounded-lg transition">
+                  <span class="text-sm font-semibold" data-i18n="navbar.company_links.website">← MySovereignty</span>
+                </a>
+              </div>
+
               <!-- Feedback (opens modal) -->
               <div class="pt-3 mt-3 border-t border-gray-200">
                 <button id="navbar-feedback-btn" class="w-full text-left block px-3 py-2.5 text-white bg-gradient-to-r from-blue-600 to-blue-700 hover:shadow-lg rounded-lg transition">

public/locales/de/common.json

@@ -1,5 +1,11 @@
 {
   "footer": {
+    "company_heading": "Unternehmen",
+    "company_links": {
+      "website": "← MySovereignty",
+      "ecosystem": "Ökosystem Dorf",
+      "about_company": "Über uns"
+    },
     "about_heading": "Tractatus Framework",
     "about_text": "Architektonische Beschränkungen für KI-Sicherheit, die menschliche Entscheidungsfreiheit durch strukturelle, nicht aspirationale, Garantien wahren.",
     "documentation_heading": "Dokumentation",
@@ -16,6 +22,13 @@
       "media_inquiries": "Medienanfragen",
       "submit_case": "Fallstudie einreichen"
     },
+    "subscribe_heading": "Abonnieren",
+    "subscribe_links": {
+      "newsletter": "Newsletter",
+      "rss_all": "RSS-Feed (Alle)",
+      "rss_research": "RSS (Forschung)",
+      "rss_governance": "RSS (Verwaltung)"
+    },
     "legal_heading": "Rechtliches",
     "legal_links": {
       "privacy": "Datenschutzerklärung",
@@ -54,6 +67,10 @@
   },
   "navbar": {
     "feedback": "Feedback geben",
-    "feedback_desc": "Beherrscht vom Tractatus AL"
+    "feedback_desc": "Beherrscht vom Tractatus AL",
+    "company_heading": "Unternehmen",
+    "company_links": {
+      "website": "← MySovereignty"
+    }
   }
 }

public/locales/en/common.json

@@ -1,5 +1,11 @@
 {
   "footer": {
+    "company_heading": "Company",
+    "company_links": {
+      "website": "← MySovereignty",
+      "ecosystem": "Village Ecosystem",
+      "about_company": "About Us"
+    },
     "about_heading": "Tractatus Framework",
     "about_text": "Architectural constraints for AI safety that preserve human agency through structural, not aspirational, enforcement.",
     "documentation_heading": "Documentation",
@@ -16,6 +22,13 @@
       "media_inquiries": "Media Inquiries",
       "submit_case": "Submit Case Study"
     },
+    "subscribe_heading": "Subscribe",
+    "subscribe_links": {
+      "newsletter": "Newsletter",
+      "rss_all": "RSS Feed (All)",
+      "rss_research": "RSS (Research)",
+      "rss_governance": "RSS (Governance)"
+    },
     "legal_heading": "Legal",
     "legal_links": {
       "privacy": "Privacy Policy",
@@ -68,6 +81,10 @@
   },
   "navbar": {
     "feedback": "Give Feedback",
-    "feedback_desc": "Governed by Tractatus + AL"
+    "feedback_desc": "Governed by Tractatus + AL",
+    "company_heading": "Company",
+    "company_links": {
+      "website": "← MySovereignty"
+    }
   }
 }

public/locales/fr/common.json

@@ -1,5 +1,11 @@
 {
   "footer": {
+    "company_heading": "Entreprise",
+    "company_links": {
+      "website": "← MySovereignty",
+      "ecosystem": "Ecosystème du village",
+      "about_company": "À propos de nous"
+    },
     "about_heading": "Tractatus Framework",
     "about_text": "Contraintes architecturales pour la sécurité de l'IA qui préservent l'autonomie humaine par des garanties structurelles, et non aspirationnelles.",
     "documentation_heading": "Documentation",
@@ -16,6 +22,13 @@
       "media_inquiries": "Demandes des médias",
       "submit_case": "Soumettre une étude de cas"
     },
+    "subscribe_heading": "S'abonner",
+    "subscribe_links": {
+      "newsletter": "Bulletin d'information",
+      "rss_all": "Flux RSS (Tous)",
+      "rss_research": "RSS (Recherche)",
+      "rss_governance": "RSS (Gouvernance)"
+    },
     "legal_heading": "Légal",
     "legal_links": {
       "privacy": "Politique de confidentialité",
@@ -54,6 +67,10 @@
   },
   "navbar": {
     "feedback": "Donner son avis",
-    "feedback_desc": "Régie par le Tractatus AL"
+    "feedback_desc": "Régie par le Tractatus AL",
+    "company_heading": "Entreprise",
+    "company_links": {
+      "website": "← MySovereignty"
+    }
   }
 }