* Added VS Code mock to turn e2e into unit/integration tests
* Provide fallback to editor directory when creating new note with relative path
* Added `clear` function to `FoamWorkspace`
* Fixed tests for dated notes by providing configuration defaults
* Using different workspace directory when resetting mock
* tweaked test suite configuration to manage vscode mock
* Tweaked test scripts to allow running specs in "unit" mode with mock vscode environment
* Marked spec files that can be run in unit mode
* Added testing documentation
* removed --stream flag
* updated @types/node to match engine's version
* Fixing open-resource tests
