docs & vscode contribs pic patch update for #17 & more

see #17 & updated readme.md for more info

added extended Excel data files support

see #17 and updated readme.md docs for more info

added Excel data files support

see #12 for more info

plus refined ext. docs with new Launch Data Preview & Grid/Filter/Columns UX tips sections

see readme.md and package.json for new/updated data file types mapping info

patch for loading data files without data schema (csv, json)

v1.5.1

csv/json data preview patch after adding data schema for arrow data f…

added arrow data support

see #2 for more info

addded usage tips, install info, contribs docs and dark theme preview screen pic

see readme.md doc for more info

persist and load data view config on view updates and vscode reload

see #3 & #4 refresh data without loosing data view config for more info

d3fc charts plugin patch release

see #6 for more info

added dark theme and pluggable charting libs for data previews

new features and code updates in this MVP day 3 release:

• #1 light and dark themes support via workspace extension config settings (see docs)

• #4 partial fix for retaining data preview toggle values on source data file changes

• #5 added perspective viewer gif to demo data preview data grid and charting features

• #6 made charting libraries pluggable via config settings (see Configuration section in docs)

added proper viewer styles for sparser grid and toggles UI display

see #1 for more info