add Firefox support

README.md

···
 
 ## Installation
 
+### Mozilla Firefox
+
+1. Download the extension's XPI file from [the releases page](https://github.com/InvoxiPlayGames/bskyUnGeoBlock/releases).
+2. Open your browser's "Extensions" page.
+3. Click "Install Add-on from File..."
+4. Select the XPI file you downloaded in stage 1.
+
+### Google Chrome, Microsoft Edge, Vivaldi, etc (Chromiums)
+
 The extension isn't currently available on any web store, it must be installed
 manually.
-
-### Google Chrome, Microsoft Edge, Vivaldi, etc (Chromiums)
 
 1. Download the extension's ZIP file from [the releases page](https://github.com/InvoxiPlayGames/bskyUnGeoBlock/releases).
 2. Extract the ZIP file somewhere on your computer.
···
 4. Enable the "Developer mode" toggle.
 5. Click the new "Load unpacked" button
 6. Select the folder you extracted the ZIP file to in stage 2.
-
-### Mozilla Firefox
-
-Firefox doesn't allow installation of extensions that aren't approved by Mozilla.
-I'm working on getting the extension approved, but you can use
-[mary's uBlock Origin rules](https://gist.github.com/mary-ext/6e27b24a83838202908808ad528b3318)
-instead.
-
-**To install it temporarily (will be uninstalled after closing Firefox):**
-
-1. Download the extension's ZIP file from [the releases page](https://github.com/InvoxiPlayGames/bskyUnGeoBlock/releases).
-2. Go to `about:debugging` in Firefox and select "This Firefox" on the sidebar.
-3. Click "Load Temporary Add-on..."
-4. Select the ZIP you downloaded in stage 1.
 
 ### Apple Safari
 

extension/manifest.json

···
   "manifest_version": 3,
   "name": "bskyUnGeoBlock",
   "description": "Disables geographic restrictions (moderation, age verification) on Bluesky's web app.",
-  "version": "1.0",
+  "version": "1.0.1",
   "permissions": ["declarativeNetRequestWithHostAccess"],
   "host_permissions": [
     "https://bsky.app/",
···
   "icons": {
     "48": "icon/48.png",
     "128": "icon/128.png"
+  },
+  "browser_specific_settings": {
+    "gecko": {
+      "id": "[e-mail]",
+      "update_url": "https://raw.githubusercontent.com/InvoxiPlayGames/bskyUnGeoBlock/refs/heads/main/firefox/updates.json",
+      "strict_min_version": "128.0"
+    }
   }
 }

firefox/updates.json

···
+{
+ "addons": {
+  "[e-mail]": {
+   "updates": [
+    {
+     "version": "1.0.1",
+     "update_link": "https://github.com/InvoxiPlayGames/bskyUnGeoBlock/releases/download/1.0.1/bskyUnGeoBlock-1.0.1-firefox.xpi"
+    }
+   ]
+  }
+ }
+}