message: add a script
diff: -npm i
  +#npm i
  +rm .\csharp-1.18.0-beta6.vsix
  gulp vsix:release:package
  -gulp vsix:release:unpakage
  -gulp test:integration:singleCsproj --codeExtensionPath ./vsix/extension
  +gulp vsix:release:unpackage
  +code --uninstall-extension csharp-1.18.0-beta6.vsix
  +rm C:\Users\akagarw\.vscode\extensions\ms-vscode.csharp-1.18.0-beta6
  +code --install-extension ./csharp-1.18.0-beta6.vsix
  +code C:\Users\akagarw\Desktop\CodeSamples\test
  +#gulp test:integration:singleCsproj --codeExtensionPath ./vsix/extension
  