fix. Default string values now with "quotes"

[saatsazov]

I've added quotes for a default value code. I'm not sure I'm doing this properly but it works for me.

Original problem:

So I added a quotes to toDefaultValue and use {{{ 3 curly braces so it's not escaped like here:

My schema:

{
 "openapi": "3.0.3",
 "info": {
  "title": "Basic Example",
  "description": "This app showcases a trivial REST API.",
  "version": "v1.2.3"
 },
 "paths": {
  "/hello/{name}": {
   "get": {
    "tags": [
     "Communication"
    ],
    "summary": "Greeter",
    "description": "Greeter greets you.",
    "operationId": "Greeter",
    "parameters": [
     {
      "name": "age",
      "in": "query",
      "schema": {
       "type": "integer",
       "default": 5
      }
     },
     {
      "name": "locale",
      "in": "query",
      "schema": {
       "pattern": "^[a-z]{2}-[A-Z]{2}$",
       "enum": [
        "ru-RU",
        "en-US"
       ],
       "type": "string",
       "default": "en-US"
      }
     },
     {
      "name": "name",
      "in": "path",
      "required": true,
      "schema": {
       "minLength": 3,
       "type": "string"
      }
     }
    ],
    "responses": {
     "200": {
      "description": "OK",
      "headers": {
       "X-Now": {
        "style": "simple",
        "schema": {
         "type": "string",
         "format": "date-time"
        }
       }
      },
      "content": {
       "application/json": {
        "schema": {
         "$ref": "#/components/schemas/HelloOutput"
        }
       }
      }
     },
     "400": {
      "description": "Bad Request",
      "content": {
       "application/json": {
        "schema": {
         "$ref": "#/components/schemas/RestErrResponse"
        }
       }
      }
     }
    }
   }
  }
 },
 "components": {
  "schemas": {
   "HelloOutput": {
    "type": "object",
    "properties": {
     "message": {
      "type": "string"
     }
    }
   },
   "RestErrResponse": {
    "type": "object",
    "properties": {
     "code": {
      "type": "integer",
      "description": "Application-specific error code."
     },
     "context": {
      "type": "object",
      "additionalProperties": {},
      "description": "Application context."
     },
     "error": {
      "type": "string",
      "description": "Error message."
     },
     "status": {
      "type": "string",
      "description": "Status text."
     }
    }
   }
  }
 }
}

[Goutte]

Thanks !