Add repo

Author: jonrohan

theme/package.json

@@ -8,6 +8,7 @@
     "lint": "eslint '**/*.{js,ts,tsx}'",
     "lint:fix": "npm run lint -- --fix"
   },
+  "repo": "https://github.com/primer/doctocat",
   "prettier": "@github/prettier-config",
   "resolutions": {
     "graphql": "^15.4.0",