* merge extension folder with its parent folder for the following package operation
* change some information prepare for release
* update .gitignore cause now .vscode under vscode-extension folder is neccessary
* add LICENSE
* update changelog, readme and tsconfig
* Add logo
* update log path and project path
* Update CHANGELOG.md
* Update package.json
* Update AnalysisService.cs
Co-authored-by: dingmeng-xue <dixue@microsoft.com>
ChenleiYang