refactor: Update VSCE package command in GitHub Actions workflow

.github/workflows/build.yaml

@@ -27,7 +27,7 @@ jobs:
 
       - name: Build extension
         run: |
-          vsce package
+          vsce package --baseContentUrl https://github.com/GitGuardian/gitguardian-vscode/ --allow-missing-repository
           mv *.vsix gitguardian-vscode.vsix
       
       - name: Upload extension package

.gitignore

@@ -31,4 +31,7 @@ yarn-error.log*
 tsconfig.base.tsbuildinfo%
 
 # ouput dir
-out/
+out/
+
+# build files
+**/*.vsix

SUPPORT.md

@@ -0,0 +1,6 @@
+# Support
+
+If you have a question or need help you can reach out to us via : 
+
+- The [issue tracker](https://github.com/GitGuardian/gitguardian-vscode/issues) if you found a bug, do not understand something, etc ..
+- or the [Discussion tab](https://github.com/GitGuardian/gitguardian-vscode/discussions) where you can open a new thread for a feature idea or anything else