chore: Update .gitignore and add .idea folder, update npm dependencies, and improve code logic for chat history and knowledge export/import

package.json

@@ -5,12 +5,12 @@
   "description": "Use your locally running AI models to assist you in your web browsing.",
   "author": "n4ze3m",
   "scripts": {
-    "dev": "wxt",
-    "dev:firefox": "wxt -b firefox",
-    "build": "wxt build",
-    "build:firefox": "wxt build -b firefox",
-    "zip": "wxt zip",
-    "zip:firefox": "wxt zip -b firefox",
+    "dev": "cross-env TARGET=chrome wxt",
+    "dev:firefox": "cross-env TARGET=firefox wxt -b firefox",
+    "build": "cross-env TARGET=chrome wxt build",
+    "build:firefox": "cross-env TARGET=chrome cross-env TARGET=firefox wxt build -b firefox",
+    "zip": "cross-env TARGET=chrome wxt zip",
+    "zip:firefox": "cross-env TARGET=firefox wxt zip -b firefox",
     "compile": "tsc --noEmit",
     "postinstall": "wxt prepare"
   },
@@ -66,6 +66,7 @@
     "@types/react-syntax-highlighter": "^15.5.11",
     "@types/turndown": "^5.0.4",
     "autoprefixer": "^10.4.17",
+    "cross-env": "^7.0.3",
     "postcss": "^8.4.33",
     "prettier": "3.2.4",
     "tailwindcss": "^3.4.1",