Update dependencies and improve configuration management

- Updated LoLib dependency to version 3.0.0 in build.gradle.kts
- Added HikariCP and MySQL connector dependencies for improved database handling
- Enhanced jar minimization process to exclude JDBC pool and driver
- Refactored configuration management by introducing ConfigAccessor and ConfigLoader for better file handling and validation
- Removed deprecated GenerationOptions class and integrated its functionality into the new structure
- Improved command error handling and added cooldown hints for admin commands

src/main/java/dev/loki/loparkour/player/ParkourUser.java

@@ -68,6 +68,7 @@ public abstract class ParkourUser {
     public final Instant joined;
     private ScoreboardManager scoreboardManager;
 
+    @SuppressWarnings("deprecation") // Scoreboard: legacy registerNewObjective(String,String,String)
     public ParkourUser(@NotNull Player player, @NotNull Session session, @Nullable PreviousData previousData) {
         this.player = player;
         this.session = session;