chore: add husky; add post-commit hook to auto-mirror to gh & sh

.husky/post-commit

@@ -0,0 +1,3 @@
+echo "post-commit..."
+git push gh --mirror
+git push sh --mirror

package.json

@@ -14,21 +14,23 @@
     "start:dev": "concurrently --kill-others \"npm run watch:dev\" \"npm start\"",
     "start": "http-server ./dist/ -a localhost -p 4200",
     "watch:dev": "node ./node_modules/webpack/bin/webpack.js --watch --mode development .",
-    "buildprod": "node ./node_modules/webpack/bin/webpack.js --mode production ."
+    "buildprod": "node ./node_modules/webpack/bin/webpack.js --mode production .",
+    "prepare": "husky"
   },
   "license": "ISC",
   "dependencies": {
-    "firebase": "^7.24.0"
+    "firebase": "^12.9.0"
   },
   "devDependencies": {
-    "concurrently": "^7.2.2",
-    "css-loader": "^3.6.0",
-    "file-loader": "^5.1.0",
-    "http-server": "^0.12.3",
-    "mini-css-extract-plugin": "^0.8.2",
+    "concurrently": "^9.2.1",
+    "css-loader": "^7.1.4",
+    "file-loader": "^6.2.0",
+    "http-server": "^14.1.1",
+    "husky": "^9.1.7",
+    "mini-css-extract-plugin": "^2.10.0",
     "optimize-css-assets-webpack-plugin": "^6.0.1",
-    "terser-webpack-plugin": "^2.3.8",
-    "webpack": "^4.46.0",
-    "webpack-cli": "^3.3.12"
+    "terser-webpack-plugin": "^5.3.16",
+    "webpack": "^5.105.2",
+    "webpack-cli": "^6.0.1"
   }
 }