Use GitHub Flavored Markdown alerts in the readme

Also add a link to the incompatible games list and add thanks to all
contributors.

README.md

@@ -5,7 +5,10 @@ When run, the script produces a ZIP file for each supported game save found in t
 
 In most cases the files in the ZIP can be copied to the save directory of the Steam/Epic version of the game. To find out the save file location, check [PCGamingWiki](https://www.pcgamingwiki.com/).
 
-## ⚠️ If you want the script to support another game, please open an issue [here](https://github.com/Z1ni/XGP-save-extractor/issues/new/choose). ⚠️
+> [!IMPORTANT]
+> If you want the script to support another game, please open an issue [here](https://github.com/Z1ni/XGP-save-extractor/issues/new/choose).
+>
+> Check the [incompatible game list](#incompatible-games) below and search the issues for a duplicate before creating a new one.
 
 ## Supported games
 If you migrate a save to Steam/Epic version that's listed with ❔ below, please open an issue and confirm whether it worked, so the table can be updated.
@@ -59,15 +62,19 @@ These games use different save formats than the Steam/Epic version that can't be
 | Tinykin | [#28](https://github.com/Z1ni/XGP-save-extractor/issues/28) |
 
 ## Running
-⚠️ **NOTE**: If the save file extraction fails, wait for a bit and try again. The Xbox cloud save sync can take some time and produce invalid files while syncing is in progress.
+> [!IMPORTANT]
+> If the save file extraction fails, wait for a bit and try again. The Xbox cloud save sync can take some time and produce invalid files while syncing is in progress.
 
-Download the latest release for an one-file executable: https://github.com/Z1ni/XGP-save-extractor/releases
+> [!IMPORTANT]
+> Some anti-virus/anti-malware software can flag the executable as malicious. The executable is produced with [PyInstaller](https://pyinstaller.org/) and contains the Python interpreter alongside with the same `main.py` script as in this repo.
 
-⚠️ **NOTE**: Some anti-virus/anti-malware software can flag the executable as malicious. The executable is produced with [PyInstaller](https://pyinstaller.org/) and contains the Python interpreter alongside with the same `main.py` script as in this repo.
+Download the latest release for an one-file executable: https://github.com/Z1ni/XGP-save-extractor/releases
 
 *Or*
 
 Run `main.py` with Python 3.10+. The script produces ZIP files for each of the supported games that are installed for the current user.
 
 ## Thanks
 Thanks to [@snoozbuster](https://github.com/snoozbuster) for figuring out the container format at https://github.com/goatfungus/NMSSaveEditor/issues/306.
+
+Also thanks to everyone that has [contributed](https://github.com/Z1ni/XGP-save-extractor/graphs/contributors) by adding support for new games.