Task/update master to main (#5)

* Remove GitHub templates

* Update deploy on published release and master to main

Author: hamermike

.github/ISSUE_TEMPLATE/custom.md

@@ -1,13 +1,14 @@
 name: Deploy SDK
 
 on:
-  push:
-    branches:
-      - 'master'
+  release:
+    types:
+      - published
 
 jobs:
   deploy:
     name: Deploy to Rubygems
+    if: ${{ !github.event.release.prerelease && github.event.release.target_commitish == 'main' }}
     runs-on: ubuntu-latest
     steps:
     - name: Checkout

.github/pull_request_template.md

@@ -3,7 +3,7 @@ name: Validate SDK
 on:
   pull_request:
     branches:
-      - 'master'
+      - 'main'
 
 jobs:
   deploy: