Add GitHub link to openapi-typescript (#522)

Author: drwpow

_data/tools.yml

@@ -2331,7 +2331,8 @@
     Convert static OpenAPI schemas to TypeScript types quickly using pure Node.js. Fast,
     lightweight, (almost) dependency-free, and no Java/node-gyp/running OpenAPI servers
     necessary.
-  link: https://github.com/drwpow/openapi-typescript
+  link: https://openapi-ts.pages.dev
+  github: https://github.com/drwpow/openapi-typescript
   v2: true
   v3: true
   v3_1: true