Add RRandR to the list of apps built with gtk-rs

Author: brofi

Diff for: _data/projects.json

@@ -210,6 +210,12 @@
     "name": "relm",
     "url": "https://github.com/antoyo/relm"
   },
+  {
+    "name": "RRandR",
+    "url": "https://github.com/brofi/rrandr",
+    "app_id": "com.github.brofi.rrandr",
+    "description": "A graphical interface to the RandR X Window System extension."
+  },
   {
     "name": "ScreenSelector.so",
     "url": "https://linkmauve.fr/dev/screen-selector/"