Add evidence folder integration with Nextcloud support

Implemented an "Evidence" utility to manage evidence folders in Nextcloud and updated related classes to include evidence links in Discord ban messages. Refactored logging for better error handling and added unit tests for evidence folder creation.

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
+zipStorePath=wrapper/dists