Start on NEXT (version 1.0) branch

- update gradle wrapper version (8.4 to 8.5)
- update logo and add banner
- change to gradle kotlin DSL (from groovy)
- update README.md
- update project layout for planned forge support
- move common logic to common module
- change environment to 'client' to prevent servers from loading the mod (#2)
- cleanup unneeded files
- update LICENSE.md to use Markdown format for easier reading
- update version number to prepare for version 1.0

Signed-off-by: Lucas Petrino <nsx1lucas@gmail.com>

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists