Update README.md

README.md

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 # FediFollow-Chrome
-Chrome extension that simplifies following Fediverse user on other instances than your own. 
+A Chrome extension that simplifies following Fediverse users on other instances than your own by automatically redirecting you to your instance when pressing a follow button. Should work for other Chromium browsers too, as well as Kiwi browser on Android. It was tested with about 20 instances and supports different instance layouts/designs.
+
+I made this since I could only find a working extension for Firefox, that does the same (Simplified Federation).
+
+## Installation
+Right now, you need to install it using developer mode. I plan to put this in the Chrome Webstore soon, though.
+1. Download this repository or the current release zip and extract it somewhere.
+2. Go to your Chrome extension page and enable developer mode.
+3. Click the "Load unpacked" button and then select the folder of the unpacked extension (should be "FediFollow-Chrome-main").
+
+## Setup
+- Click the extension icon to set your Mastadon instance (like "infosec.exchange").
+
+
+
+## Todos
+- Update to manifest v3