Chore: Skip building if only a md file was changed (#113)

Author: davidcollom

.github/workflows/build-test.yaml

@@ -1,6 +1,8 @@
 name: Test & Build
 on:
   pull_request:
+    paths:
+      - '!*.md'
     branches:
       - 'main'
 

.github/workflows/helm-test.yaml

@@ -2,6 +2,7 @@ name: Test Helm Chart
 on:
   pull_request:
     paths:
+      - '!*.md'
       - 'deploy/charts/version-checker/**'
     branches:
       - 'main'