Update issue templates (#857)

Author: samtstern

.github/ISSUE_TEMPLATE/---feature-request.md

@@ -1,6 +1,6 @@
 ---
 name: '⚠️ Report a Bug'
-about: Think you found a bug in the SDK? Report it here.
+about: Think you found a bug in the firebase-functions SDK? Report it here. Please do not use this form if your function is deployed successfully but not working as you expected.
 title: ''
 labels: ''
 assignees: ''

.github/ISSUE_TEMPLATE/---report-a-bug.md

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: 💻 Bug in the Firebase CLI
+    url: https://github.com/firebase/firebase-tools/issues/new/choose
+    about: Have you found a bug in the Firebase CLI?
+  - name: 🔥 Firebase Support
+    url: https://firebase.google.com/support/
+    about: If you have an issue with your functions in production, please contact support.