docs(config.yml): Fix grammatical typos (#31)

Author: bharatr21

Diff for: .github/config.yml

@@ -1,15 +1,15 @@
 newIssueWelcomeComment: |
-  Thank you so much for opening your first issue for this project! We'll try to get back to it as quickly as possible. While you are waiting...here's a random picture of a corgi (powered by [dog.ceo](https://dog.ceo))
+  Thank you so much for opening your first issue in this project! We'll try to get back to it as quickly as possible. While you are waiting...here's a random picture of a corgi (powered by [dog.ceo](https://dog.ceo))
 
   ![picture of dog](https://images.dog.ceo/breeds/corgi-cardigan/n02113186_1447.jpg)
 
 firstPRMergeComment: >
-  Congratulations to your first contribution to the Serverless Toolkit!
+  Congratulations on your first contribution to the Serverless Toolkit!
 
   We'd love to say thank you and send you some swag. If you are interested please fill out this form at https://twil.io/hacktoberfest-swag
 
   If you are on the look out for more ways to contribute to open-source,
   check out a list of some of our repositories at https://github.com/twilio/opensource.
 
   And if you love Twilio as much as we do, make sure to check out our
-  Twilio Champions program! https://www.twilio.com/champions
+  [Twilio Champions program](https://www.twilio.com/champions)!