chore: add commitizen and cz-conventional-changelog packages

make the repo commitizen friendly and follow conventional commits specification

package.json

@@ -7,7 +7,8 @@
     "start": "astro dev",
     "build": "astro build",
     "preview": "astro preview",
-    "astro": "astro"
+    "astro": "astro",
+    "cz": "cz"
   },
   "dependencies": {
     "@astrojs/rss": "^1.0.1",
@@ -23,7 +24,14 @@
     "@astrojs/sitemap": "^1.0.0",
     "@astrojs/tailwind": "^1.0.0",
     "@tailwindcss/typography": "^0.5.7",
+    "commitizen": "^4.2.5",
+    "cz-conventional-changelog": "^3.3.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
   }
 }