send user agent identifying the mvg bot and just accept json

Author: leftshift

mvg_api/__init__.py

@@ -15,7 +15,7 @@
 
 
 def _perform_api_request(url):
-    resp = requests.get(url, headers={'X-MVG-Authorization-Key': api_key, 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36', 'Accept': 'application/json, text/javascript, */*; q=0.01', 'Referer': 'https://www.mvg.de/dienste/abfahrtszeiten.html', 'Sec-Fetch-Mode': 'cors', 'X-Requested-With': 'XMLHttpRequest'})
+    resp = requests.get(url, headers={'X-MVG-Authorization-Key': api_key, 'User-Agent': 'python-mvg-api/1 (+https://github.com/leftshift/python_mvg_api)', 'Accept': 'application/json'})
     return resp.json()