refactor: share translations from main web app instead of duplicating

- Templates app now imports and merges translations from main web app
- Only templates-specific translations remain in templates/common.json
- Fixes blank Solutions menu by inheriting nav.solutions.*.items arrays
- Single source of truth for shared nav translations

Author: GuiBibeau

apps/templates/public/locales/en/common.json

@@ -1,133 +1,4 @@
 {
-  "commands": {
-    "toggle": "Toggle",
-    "search": "Search"
-  },
-  "developers": {
-    "nav": {
-      "documentation": "Documentation",
-      "cookbook": "Cookbook",
-      "rpc": "RPC"
-    }
-  },
-  "footer": {
-    "copyright": "© {currentYear} Solana Foundation. All rights reserved.",
-    "foundation": "Solana Foundation",
-    "get-connected": {
-      "heading": "Get Connected",
-      "blog": "Blog",
-      "newsletter": "Newsletter"
-    },
-    "solana": {
-      "heading": "Solana",
-      "break": "Breakpoint",
-      "careers": "Careers",
-      "disclaimer": "Disclaimer",
-      "grants": "Grants",
-      "media": "Media Kit",
-      "privacy-policy": "Privacy Policy"
-    }
-  },
-  "learn": {
-    "tutorials": {
-      "items": {
-        "introduction-to-defi-on-solana": {
-          "title": "Introduction to DeFi on Solana"
-        },
-        "what-is-a-wallet": {
-          "title": "What is a Wallet?"
-        },
-        "what-is-solana": {
-          "title": "What is Solana?"
-        }
-      }
-    }
-  },
-  "nav": {
-    "community": {
-      "title": "Community",
-      "event": {
-        "title": "Events"
-      },
-      "involved": {
-        "title": "Get Involved"
-      }
-    },
-    "developers": {
-      "title": "Developers",
-      "items": {
-        "title": "Developer Resources",
-        "api": {
-          "title": "RPC API",
-          "description": "Interact with Solana nodes"
-        },
-        "cookbook": {
-          "title": "Cookbook",
-          "description": "Code examples and references"
-        },
-        "docs": {
-          "title": "Documentation",
-          "description": "Learn how to build on Solana"
-        },
-        "hub": {
-          "title": "Developer Hub",
-          "description": "All developer resources in one place"
-        }
-      },
-      "tutorials": {
-        "title": "Tutorials",
-        "evm-to-svm": "EVM to SVM",
-        "hello-world": "Hello World",
-        "local-setup": "Local Setup"
-      }
-    },
-    "learn": {
-      "title": "Learn",
-      "start": {
-        "title": "Get Started",
-        "items": {
-          "all": {
-            "title": "View All",
-            "description": "Browse all learning resources"
-          },
-          "defi": {
-            "description": "Decentralized finance on Solana"
-          },
-          "universities": {
-            "title": "Universities",
-            "description": "Academic programs and courses"
-          },
-          "wallet": {
-            "description": "Understanding crypto wallets"
-          },
-          "what-is-solana": {
-            "description": "Introduction to Solana blockchain"
-          }
-        }
-      }
-    },
-    "network": {
-      "title": "Network",
-      "inspect": {
-        "title": "Inspect"
-      },
-      "resources": {
-        "title": "Resources"
-      }
-    },
-    "solutions": {
-      "title": "Solutions",
-      "cases": {
-        "title": "Use Cases"
-      },
-      "resources": {
-        "title": "Resources"
-      },
-      "tools": {
-        "title": "Tools"
-      }
-    }
-  },
   "templates": {
     "title": "Solana Developer Templates",
     "subtitle": "Build faster with production-ready templates for dApps, DeFi protocols, NFT marketplaces, and more. Get started with battle-tested code patterns optimized for the Solana ecosystem.",

apps/templates/src/app/[locale]/layout.tsx

@@ -11,11 +11,20 @@ type Props = {
 export default async function LocaleLayout({ children, params }: Props) {
   const { locale = "en" } = await params;
   const direction = getLangDir(locale);
-  // Load messages directly
-  const messages = (
+
+  // Load messages from main web app (shared translations)
+  const webMessages = (
+    await import(`../../../../../apps/web/public/locales/${locale}/common.json`)
+  ).default;
+
+  // Load templates-specific messages
+  const templatesMessages = (
     await import(`../../../public/locales/${locale}/common.json`)
   ).default;
 
+  // Merge translations, with templates-specific taking precedence
+  const messages = { ...webMessages, ...templatesMessages };
+
   return (
     <html
       lang={locale}