Add RCTris by Sadret to list of plugins using FlexUI

README.md

@@ -26,6 +26,7 @@ Various plugins have already adopted FlexUI as their UI-library:
 
 - **[RideVehicleEditor](https://openrct2plugins.org/plugin/MDEwOlJlcG9zaXRvcnkzMTI2MjQ1MjY=/OpenRCT2-RideVehicleEditor)**, by Basssiiie
 - **[ParkRatingInspector](https://openrct2plugins.org/plugin/MDEwOlJlcG9zaXRvcnkzOTY0NTM0NjA=/OpenRCT2-ParkRatingInspector)**, by Basssiiie
+- **[RCTris (Tetris)](https://openrct2plugins.org/plugin/R_kgDOLBRY8A/openrct2-rctris)**, by Sadret
 - **[Ride Painter](https://openrct2plugins.org/plugin/R_kgDOGuBtxQ/OpenRCT-Ride-Painter)**, by ItsSmitty
 - **[Wet Paint Plugin](https://openrct2plugins.org/plugin/R_kgDOIOX2DQ/Wet-Paint-Plugin)**, by ItsSmitty
 - **[Soft Guest Cap Inspector](https://openrct2plugins.org/plugin/R_kgDOJUjXiA/openrct2-soft-guest-cap-inspector)**, by Beam41
@@ -64,4 +65,4 @@ To publish a local version of FlexUI for use in your own plugins;
 
 ### Unit tests
 
-The unit tests are written using AVA.js and can be run outside the game. First run `npm run install:test-setup` in the main folder to ensure the test dependencies are installed, and then `npm run build` to get a build for the included integration tests. Then simply run `npm test` to run all tests.
+The unit tests are written using AVA.js and can be run outside the game. First run `npm run install:test-setup` in the main folder to ensure the test dependencies are installed, and then `npm run build` to get a build for the included integration tests. Then simply run `npm test` to run all tests.