[docs] Add "Thanks" section to README

README.md

@@ -29,3 +29,13 @@ Please search the [discussions tab](https://github.com/LandSandBoat/server/discu
 ## LICENSE
 
 LandSandBoat is licensed under [GNU GPL v3](https://github.com/LandSandBoat/server/blob/base/LICENSE)
+
+## Thanks
+
+Thanks to all contributors past and present, we wouldn't be here without you!
+
+Thanks to GitHub for hosting us, and for all the CI minutes we use!
+
+Thanks to JetBrains for providing our core contributors with "All Products Pack" licenses for our continued open source work. It's much appreciated, we love ReSharper C++ and CLion!
+
+<img src="https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.png" alt="JetBrains Logo (Main) logo." width="200">