Add default configs in src/main/resources/

- config.yml - main plugin settings
- messages.yml - all messages with &#rrggbb colors
- skillcheck.yml - QTE settings with colors
- game.yml - game balance settings
- locations.yml - object coordinates template
- Update ConfigManager to load main config
- Update build.gradle.kts to process all yml files

build.gradle.kts

@@ -29,5 +29,8 @@ tasks {
         filesMatching("paper-plugin.yml") {
             expand(props)
         }
+        filesMatching("*.yml") {
+            expand(props)
+        }
     }
 }