Add cypress-runner-themes to Cypress plugins page (#5791)

Author: dingraham

src/data/plugins.json

@@ -156,6 +156,13 @@
           "keywords": ["typescript"],
           "badge": "official"
         },
+        {
+          "name": "cypress-runner-themes",
+          "description": "Alternative themes for the Cypress Test Runner.",
+          "link": "https://github.com/dingraham/cypress-runner-themes",
+          "keywords": ["theme", "dark", "light", "colorblind"],
+          "badge": "community"
+        },
         {
           "name": "cypress-voice-plugin",
           "description": "Cypress plugin to announce spec result and time in Cypress Test Runner.",