Enhance ESLint configuration and update component destructuring for improved code quality

- Added a rule to allow unused variables prefixed with an underscore in ESLint configuration.
- Updated destructuring in leveling-form, logging-form, moderation-form, and welcome-form components to prefix unused variables with an underscore, improving clarity and adherence to ESLint rules.
- Expanded German and English localization files with new moderation, auto-moderation, logging, welcome, verification, leveling, economy, and fun module settings for better user experience.

apps/webui/eslint.config.mjs

@@ -20,6 +20,16 @@ const eslintConfig = [
       "next-env.d.ts",
     ],
   },
+  {
+    rules: {
+      // Allow intentionally unused variables (e.g. destructuring to strip fields)
+      // when prefixed with an underscore.
+      "@typescript-eslint/no-unused-vars": [
+        "warn",
+        { varsIgnorePattern: "^_", argsIgnorePattern: "^_" },
+      ],
+    },
+  },
 ];
 
 export default eslintConfig;