be more specific with installing & remove unneccasary space before "X code"

opening pr in a few mins

Author: Zy

README.md

@@ -37,13 +37,15 @@ We're a browser extension for the Scratch website that makes Scratch look, work,
 
 ### Installing
 There are multiple ways of installing.
-- Chrome: You can download from Chrome [here](https://chrome.google.com/webstore/detail/scratchtools/jjnpbalpllpfdpgplpbcbadkgdmleopm). Then just press the Add to Chrome button, and you've downloaded ScratchTools!
-- Firefox/Mozilla: You can download for Firefox [here](https://addons.mozilla.org/en-US/firefox/addon/scratchtools/). You can then just add it to Firefox, and then you have ScratchTools!
+- Chrome: You can download from Chrome's Extension Webstore [here](https://chrome.google.com/webstore/detail/scratchtools/jjnpbalpllpfdpgplpbcbadkgdmleopm). Then just press the Add to Chrome button, and you've downloaded ScratchTools!
+- > [!NOTE]
+> If you are using a browser based on Chromium (eg. Vivaldi), then this is your way of installing unless your browser has it's own extension store.
+- Firefox/Mozilla: You can download from Firefox Addons (Works on Firefox forks) [here](https://addons.mozilla.org/en-US/firefox/addon/scratchtools/). You can then just add it to Firefox, and then you have ScratchTools!
 > [!NOTE]
 > The Firefox version of Scratchtools is behind compared to the chrome version of Scratchtools due to technical difficulties. Until a solution is found, the Firefox version will remain behind.
 
-- Microsoft edge: You can download for Edge [here](https://microsoftedge.microsoft.com/addons/detail/scratchtools/aaidjeidbnhpjhblbianjeghjopbimmk). You can then just add it to Edge, and then you have ScratchTools!
-- Safari (macOS, iPadOS and iOS): You can build the extension by typing `make` for macOS, and `make ios` for the iOS app (you will have to sign it on  Xcode), make sure you have enabled Developer mode and allowed unsigned extensions.
+- Microsoft edge: You can download from Edge's addon webstore [here](https://microsoftedge.microsoft.com/addons/detail/scratchtools/aaidjeidbnhpjhblbianjeghjopbimmk). You can then just add it to Edge, and then you have ScratchTools!
+- Safari (macOS, iPadOS and iOS): You can build the extension by typing `make` for macOS, and `make ios` for the iOS app (you will have to sign it on Xcode), make sure you have enabled Developer mode and allowed unsigned extensions.
 - GitHub: Download from GitHub [here](https://github.com/STForScratch/ScratchTools/zipball/master). If it downloads a `.zip` file, unpack it. Then, with the folder, go to `chrome://extensions`, make sure you have developer mode enabled (switch in the top right corner), and drag the downloaded folder onto the page. Make sure you've disabled other versions of ScratchTools.
 
 ### Building a Feature