Update .gitignore to exclude admin JSON files; add bcrypt dependency and types for password handling; implement password change functionality in AdminPage component.

package.json

@@ -13,6 +13,7 @@
   "dependencies": {
     "@tailwindcss/typography": "^0.5.16",
     "autoprefixer": "^10.4.17",
+    "bcrypt": "^6.0.0",
     "chokidar": "^4.0.3",
     "date-fns": "^3.3.1",
     "gray-matter": "^4.0.3",
@@ -25,6 +26,7 @@
     "tailwindcss": "^3.4.1"
   },
   "devDependencies": {
+    "@types/bcrypt": "^5.0.2",
     "@types/chokidar": "^1.7.5",
     "@types/node": "^20.11.19",
     "@types/react": "^18.2.57",