fixed build.gradle causing a mixin issue at runtime

NoSignGUI 1.2.0

- No big code changes
- Overhauled README
- Tweaked fabric.mod.json links
- Changed name scheming to "NoSignGUI" from "DisableSignGUI"

Might backport this to >1.21.11 because the code is untouched idk

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	.gradle/8.14.1/checksums/checksums.lock
#	.gradle/8.14.1/checksums/md5-checksums.bin
#	.gradle/8.14.1/checksums/sha1-checksums.bin
#	.gradle/8.14.1/executionHistory/executionHistory.bin
#	.gradle/8.14.1/executionHistory/executionHistory.lock
#	.gradle/8.14.1/fileHashes/fileHashes.bin
#	.gradle/8.14.1/fileHashes/fileHashes.lock
#	.gradle/8.14.1/fileHashes/resourceHashesCache.bin
#	.gradle/buildOutputCleanup/buildOutputCleanup.lock
#	.gradle/buildOutputCleanup/outputFiles.bin
#	.gradle/file-system.probe
#	.idea/gradle.xml
#	.idea/runConfigurations/Minecraft_Server.xml
#	build/resources/main/fabric.mod.json

Delete src/main/java/coolaid/disablesigngui/DisableSigngui.java

Update to 1.21.8

- Dependency update to versions 1.21.6-1.21.8
- Added GitHub "issues" link for Mod Menu page

Dependency update to 1.21.5

Merge remote-tracking branch 'origin/master'

Create README.md