Added İstanbul Open Data

README.md

@@ -611,6 +611,7 @@ API | Description | Auth | HTTPS | CORS |
 | [FEC](https://api.open.fec.gov/developers/) | Information on campaign donations in federal elections | `apiKey` | Yes | Unknown |
 | [Federal Register](https://www.federalregister.gov/reader-aids/developer-resources) | The Daily Journal of the United States Government | No | Yes | Unknown |
 | [Food Standards Agency](http://ratings.food.gov.uk/open-data/en-GB) | UK food hygiene rating data API | No | No | Unknown |
+| [Istanbul (İBB) Open Data](https://data.ibb.gov.tr) | Data sets from the İstanbul Metropolitan Municipality (İBB) | No | Yes | Unknown |
 | [Open Government, Australia](https://www.data.gov.au/) | Australian Government Open Data | No | Yes | Unknown |
 | [Open Government, Belgium](https://data.gov.be/) | Belgium Government Open Data | No | Yes | Unknown |
 | [Open Government, Canada](http://open.canada.ca/en) | Canadian Government Open Data | No | No | Unknown |