docs: add some notes for developers

vscode-extension/docs/DEVELOPMENT.md

@@ -0,0 +1,9 @@
+# Dev notes
+
+## Packaging
+
+Be sure to include `--baseImagesUrl` when packaging the extension otherwise the image links would be broken after installing the extension.
+
+```
+vsce package --baseImagesUrl https://raw.githubusercontent.com/Azure/azure-powershell-migration/main/vscode-extension
+```

vscode-extension/src/powershell.ts

@@ -22,6 +22,7 @@ export class PowershellProcess {
             noProfile: true
         });
 
+        //TODO: Resolve the PSA Path question instead of copying PSA folder.
         const flagFilePath = path.resolve(__dirname, '../PSAExecPath.txt'); //if flagFile already exists, we've copied the CustomRules files to powershell execution path before
         if (!fs.existsSync(flagFilePath)) {
             const PSASourcePath = path.resolve(