Add GitLab link

Signed-off-by: celenity <[email protected]>

README.md

@@ -1,6 +1,7 @@
 # **Welcome to BadBlock!**
 
-**NOTE:** This project can be found on both [Codeberg](https://codeberg.org/celenity/BadBlock), which will act as the main & preferred way to contribute, and [GitHub](https://github.com/celenityy/BadBlock).
+> [!NOTE]
+> While BadBlock's home is [Codeberg](https://codeberg.org/celenity/BadBlock), this repo is also mirrored to both [GitLab](https://gitlab.com/celenityy/BadBlock) & [GitHub](https://github.com/celenityy/BadBlock).
 
 # Table of Contents
 
@@ -1206,4 +1207,4 @@ I would highly recommend using the following lists from HaGeZi:
 
 Thanks to [Divested Computing Group](https://divested.dev/) for creating & maintaining [Simple Hosts Merger](https://divested.dev/pages/software#simple_hosts_merger), which is used for creating the combined BadBlock lists in the wildcard domain formats. - 💰 [Donate](https://divested.dev/pages/donate)
 
-Thanks to [HaGeZi](https://github.com/hagezi) for inspiration to create a table of contents & better organize, & also just being cool in general... 
+Thanks to [HaGeZi](https://github.com/hagezi) for inspiration to create a table of contents & better organize, & also just being cool in general...