message: Added /auth/signin endpoint doc
diff: {
  "openapi": "3.0.3",
  "servers": [
  + {
  + "description": "Localhost - Dev - Tenant Management",
  + "url": "http://localhost:8082/v1/"
  + },
  {
  "description": "SCP - Prod - SAP Labs France",
  "url": "https://slf.evse.cfapps.eu10.hana.ondemand.com/v1/api"
  {
  "description": "AWS - Prod - Tenant Management",
  "url": "https://e-mobility-group.com/v1/api"
  - },
  - {
  - "description": "Localhost - Dev - Tenant Management",
  - "url": "http://localhost/v1/api"
  }
  ],
  "info": {
  {
  "name": "Tenants",
  "description": "Tenant management"
  + },
  + {
  + "name": "Auth",
  + "description": "Auth management"
  }
  ],
  "paths": {
  }
  }
  }
  + },
  + "/auth/signin": {
  + "post": {
  + "description": "Login",
  + "requestBody": {
  + "content": {
  + "application/json": {
  + "schema": {
  + "$ref": "#/components/schemas/Login"
  + }
  + }
  + }
  + },
  + "tags": [
  + "Auth"
  + ],
  + "responses": {
  + "200": {
  + "description": "Logged in successfully"
  + },
  + "401": {
  + "$ref": "#/components/responses/UnauthorizedError"
  + },
  + "500": {
  + "$ref": "#/components/responses/500BackendError"
  + },
  + "520": {
  + "description": "The End-user License Agreement is mandatory"
  + },
  + "550": {
  + "description": "User tried to log in with an unknown tenant or is deleted logically"
  + }
  + }
  + }
  }
  },
  "components": {
  }
  }
  },
  + "Login": {
  + "type": "object",
  + "properties": {
  + "email": {
  + "type": "string",
  + "example": "loan.alouache@sap.com"
  + },
  + "password": {
  + "type": "string",
  + "example": "Azerty123!"
  + },
  + "acceptEula": {
  + "type": "boolean",
  + "example": true
  + },
  + "tenant": {
  + "type": "string",
  + "example": ""
  + }
  + }
  + },
  "Address": {
  "type": "object",
  "properties": {
  