Add missing package.json respository.url fields (#331)

* Add missing package.json `respository.url` fields

* Switch to `git+https://` for repo URL

Co-authored-by: Frankie Roberto <frankie@frankieroberto.com>

---------

Co-authored-by: Frankie Roberto <frankie@frankieroberto.com>

Author: colinrotherham

package.json

@@ -5,6 +5,10 @@
   "author": {
     "name": "NHS England"
   },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/NHSDigital/nhsuk-react-components.git"
+  },
   "sideEffects": false,
   "type": "module",
   "imports": {