feat: setup merge and diff for git

install.ps1

@@ -636,8 +636,19 @@ if ($userChoice -ne "CloneOnly") {
             -MinVersion "2.23" `
             -AdditionalArgs "-e"
 
-        Write-Host "Setting the init.defaultBranch to be \"main\""
+        Write-Host "  Setting the init.defaultBranch to be 'main'"
         git config --global init.defaultBranch main
+
+        Write-Host "  Setting the default editor to code, to handle merge messages"
+        git config --global core.editor "code --wait"
+
+        Write-Host "  Setting vscode at the default code editor for merge conflicts"
+        git config --global merge.tool vscode
+        git config --global mergetool.vscode.cmd 'code --wait --merge $REMOTE $LOCAL $BASE $MERGED'
+
+        Write-Host "  Setting vscode as the default code editor for diffs"
+        git config --global diff.tool vscode
+        git config --global difftool.vscode.cmd 'code --wait --diff $LOCAL $REMOTE'
         
         # Verify Git version specifically
         if ($results.Git) {