feat: customize README for Tibia Trade marketplace and enhance page accessibility

- Rewrote README.md to describe the Tibia Trade project, including features, setup instructions, technologies, and SEO keywords in Portuguese
- Removed "Pagodera" from thank you page text for rebranding
- Added role and aria-label to main element in home page for better accessibility
- Added metadata generation with localized titles and descriptions to prices page for improved SEO and user experience

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "pagodera",
+  "name": "tibia-trade",
   "version": "0.1.0",
   "private": true,
   "scripts": {
@@ -9,6 +9,17 @@
     "lint": "biome check",
     "format": "biome format --write"
   },
+  "keywords": [
+    "tibia marketplace",
+    "tibia trade",
+    "comprar itens tibia",
+    "vender itens tibia",
+    "tibia escrow",
+    "tibia gold",
+    "tibia coins",
+    "tc tibia",
+    "marketplace tibia seguro"
+  ],
   "dependencies": {
     "@radix-ui/react-accordion": "^1.2.12",
     "@radix-ui/react-avatar": "^1.1.10",