message: REST API - fix - minor error in e-mobility-oas.json
diff: }
  },
  "/api/sites/{id}/assign": {
  - "get": {
  + "put": {
  "description": "Assign users to a site",
  "tags": [
  "Sites"
  }
  },
  "/api/sites/{id}/unassign": {
  - "get": {
  + "put": {
  "description": "Unassign users from a site",
  "tags": [
  "Sites"
  