message: doc(api): added subaccount endpoint doc
diff: }
  }
  }
  - }, "/api/oicp/endpoints": {
  + },
  + "/api/oicp/endpoints": {
  "post": {
  "security": [
  {
  }
  }
  },
  + "/api/billing/sub-accounts": {
  + "post": {
  + "security": [
  + {
  + "bearerAuth": []
  + }
  + ],
  + "description": "Create a Billing sub-account for a site or a company",
  + "tags": [
  + "Billing"
  + ],
  + "requestBody": {
  + "content": {
  + "application/json": {
  + "schema": {
  + "required": [
  + "userID"
  + ],
  + "oneOf": [
  + {
  + "required": [
  + "siteID"
  + ]
  + },
  + {
  + "required": [
  + "companyID"
  + ]
  + }
  + ],
  + "properties": {
  + "userID": {
  + "type": "string"
  + },
  + "siteID": {
  + "type": "string"
  + },
  + "companyID": {
  + "type": "string"
  + }
  + }
  + }
  + }
  + }
  + },
  + "responses": {
  + "201": {
  + "description": "Pending sub-account created",
  + "content": {
  + "application/json": {
  + "example": {
  + "userID": "###",
  + "siteID": "###",
  + "accountID": "###",
  + "activationLink": "###",
  + "pending": true,
  + "id": "###"
  + }
  + }
  + }
  + },
  + "401": {
  + "$ref": "#/components/responses/UnauthorizedError"
  + },
  + "403": {
  + "$ref": "#/components/responses/ForbiddenError"
  + },
  + "500": {
  + "$ref": "#/components/responses/BackendError"
  + }
  + }
  + }
  + },
  "/api/invoices": {
  "get": {
  "security": [
  "200": {
  "description": "Return invoice as PDF",
  "content": {
  - "application/pdf": {
  - }
  + "application/pdf": {}
  }
  },
  "401": {
  