update readme

Author: dimdenGD

README.md

@@ -4,10 +4,13 @@ This extension supports both new Twitter and OldTwitter!
 ![Screenshot](https://lune.dimden.dev/a602b6e6a2af.gif)  
 
 ## Installation
+Chrome, Edge,Opera, Brave, Vivaldi, etc.:
 <a href="https://chromewebstore.google.com/detail/yeah-for-twitter/haebjcgjcobeedihnmhcapfblbjdaimb"><img src="https://storage.googleapis.com/web-dev-uploads/image/WlD8wC6g8khYWPJUsQceQkhXSlv1/HRs9MPufa1J1h5glNhut.png" alt="Chrome Web Store" width="200"/></a>
 
+Firefox, Waterfox, LibreWolf, Floorp, etc.:
 <a href="https://addons.mozilla.org/addon/yeah-for-twitter/"><img src="https://blog.mozilla.org/addons/files/2020/04/get-the-addon-fx-apr-2020.svg" alt="Firefox Add-ons" width="200"/></a>
 
+Userscript (Tampermonkey, Greasemonkey, Violentmonkey, etc.):
 ### <a href="https://greasyfork.org/en/scripts/498118-yeah-for-twitter"><img src="https://greasyfork.org/vite/assets/blacklogo96-sWE0jP07.png" alt="Userscript" width="50"/>Userscript</a>
 ## Manual Installation
 1. Go to [Releases](https://github.com/dimdenGD/YeahTwitter/releases) page.

pack.js

@@ -53,7 +53,7 @@ for(let i in manifest.content_scripts) {
             .replace(/chrome\.runtime\.getURL\('(.+?)'\)/gm, "'https://raw.githubusercontent.com/dimdenGD/YeahTwitter/main/$1'");
 
         for(let img of embeddedImages) {
-            code = code.replaceAll(`'https://raw.githubusercontent.com/dimdenGD/YeahTwitter/main/images/${img}'`, `YEAH_images['${img}']`)
+            code = code.replaceAll(`'https://raw.githubusercontent.com/dimdenGD/YeahTwitter/main/images/${img}'`, `YEAH_images['${img}']`);
         }
 
         fullCode += `\n\n// ${script.js[j]}\n` + code;

us.js

@@ -146,7 +146,7 @@ chrome.storage.local = {
     }
 };
 
-if(typeof GM_registerMenuCommand !== 'undefined') {
+if(this.GM_registerMenuCommand) {
     GM_registerMenuCommand("Don't like tweet on Yeah", function () {
         chrome.storage.local.set({
             settings: {