Data Preview 🈸 screen pics and docs update

see ticket #140 for more info

vscode/ts, apache arrow, and viewer lib dependency updates

see package.json updates & tickets #107, #130 & #137 for more info

view data source patch release

v1.31.0

patched view data source uri passing and loadView()

added new pluggable data providers api

see ticket #20, new data.manager api and data.providers/ implementations for the supported data formats

compress Excel data files + new /data/excel samples patch release

see tickets #133 #134 #135, updated data/excel file samples and mappings:

added Save xml and html data options

see ticket #129 for more info

added Save ods, xlsb & xlsx data options

see tickets #122 #123 #126 #127 & #128 for more info

fixed local data files loading for Linux systems

see ticket #124 for more info

added data stats display in vscode status bar, view data source feature & other data loading and config UX enhancements

see tickets #99 #108 #115 & #117 for more info

added data.view console, save file type icons, openSavedFileEditor, and md/csv patches

see tickets #85 #94 #102 and latest commits for more info.