[vscode_projects] Add plugin

Provide a search of VSCode recent files and its Project Manager extension

* [vscode_projects:1.1] Upgrade the interface version to 2.2
* [vscode_projects:1.2] Always add action to open workdir through VSCode
  If terminal command is specified, it becomes the default action while allowing
  the user to still open the workdir using default VSCode action without running
  through terminal
* [vscode_projects:1.3] Use new Matcher introduced in interface version 2.3
* [vscode_projects:1.3] Remove unnecessary slashes in the icons url
* [vscode_projects:1.3] Use cached iconUrls when building the standard item result
* [vscode_projects:1.4] Normalize paths. Resolve symlinks to make sure only unique results are returned
* [vscode_projects:1.5] Update to interface version 2.4
* [vscode_projects:1.6] Provide project tags in the subtext
* [vscode_projects:1.6] Update plugin to interface version 3
* [vscode_projects:1.7] Fix caching and action text
* [vscode_projects:1.8] Drop string normalization in favor of native Matcher
* [vscode_projects:1.9] Optimize adding items to query

Author: Sharsie