Add a web extension and debian package compilation (#5)

Reviewed-on: #5
Co-authored-by: Julien Fastré <julien.fastre@champs-libres.coop>
Co-committed-by: Julien Fastré <julien.fastre@champs-libres.coop>

web-extension/cl/manifest.json

@@ -0,0 +1,29 @@
+{
+  "manifest_version": 3,
+  "name": "Champs-Libres Helper",
+  "version": "0.4",
+  "browser_specific_settings": {
+    "gecko": {
+      "id": "helper@champs-libres-coop",
+      "strict_min_version": "143.0",
+      "data_collection_permissions": {
+        "required": ["none"]
+      }
+    }
+  },
+
+  "description": "Aide pour les champs-libres",
+
+  "icons": {
+    "48": "icons/img-48.png"
+  },
+
+  "permissions": ["menus", "nativeMessaging", "tabs"],
+  "host_permissions": [
+    "*://*/*"
+  ],
+  "background": {
+    "scripts": ["dist/background/background.js"],
+    "type": "module"
+  }
+}