Update README.md

Author: Onimka

Documentation/README.md

@@ -1 +1,8 @@
+## 📑 Table of Contents
 
+1. [First Launch](https://github.com/Onimka/unity-data-constructor/blob/main/Documentation/First%20Launch.md)
+2. [Template](https://github.com/Onimka/unity-data-constructor/blob/main/Documentation/Template.md)
+3. [Data](https://github.com/Onimka/unity-data-constructor/blob/main/Documentation/Data.md)
+4. [Database](https://github.com/Onimka/unity-data-constructor/blob/main/Documentation/Database.md)
+5. [Localization](https://github.com/Onimka/unity-data-constructor/blob/main/Documentation/Localization.md)
+6. [Resources](https://github.com/Onimka/unity-data-constructor/blob/main/Documentation/Resources.md)