Add CompetitionProvider and fix permission query issue

- Introduced `CompetitionProvider` with skeleton methods for database handling.
- Fixed missing query execution in `PermissionProvider`.

src/main/java/dev/coph/flightscore/backend/competition/CompetitionProvider.java

@@ -0,0 +1,28 @@
+package dev.coph.flightscore.backend.competition;
+
+import dev.coph.flightscore.backend.provider.Provider;
+import dev.coph.simplesql.query.Query;
+
+public class CompetitionProvider implements Provider {
+
+
+    @Override
+    public int priority() {
+        return 0;
+    }
+
+    @Override
+    public String key() {
+        return "";
+    }
+
+    @Override
+    public void createDatabaseTables(Query query) {
+        
+    }
+
+    @Override
+    public void onEnable(Query query) {
+
+    }
+}

src/main/java/dev/coph/flightscore/backend/user/permission/PermissionProvider.java

@@ -54,6 +54,7 @@ public class PermissionProvider implements Provider {
                     }, () -> logger.warn("Error loading permissions: No permissions found"), e -> logger.error("Error loading permissions", e));
                     logger.success("Loaded " + permissions.size() + " permissions!");
                 });
+        query.query(select);
     }
 
     public Permission permission(ULID id) {