Updated key/endpoint

Endpoints are not region-based anymore, but rather custom domain -based. Although regional endpoints will still work. Also, the authentication information is moving to a standard of getting it from environment variables.

Author: wiazur

python/Language/BingSpellCheckv7.py

@@ -7,10 +7,11 @@
 
 params = {'mkt': 'en-US', 'mode': 'proof', 'text': text}
 
-# NOTE: Replace this example key with a valid subscription key.
-key = 'enter key here'
+# Add your Bing Spell Check subscription key to your environment variables.
+key = os.environ['BING_SPELL_CHECK_SUBSCRIPTION_KEY']
 
-host = 'api.cognitive.microsoft.com'
+# Add your Bing Spell Check endpoint to your environment variables.
+host = os.environ['BING_SPELL_CHECK_ENDPOINT']
 path = '/bing/v7.0/spellcheck'
 
 headers = {'Ocp-Apim-Subscription-Key': key,