readme.md update for MVP release

Author: RandomFractals

README.md

@@ -1,9 +1,33 @@
 # vscode-data-preview
-VSCode extension for large csv, arrow and parquet data preview with https://github.com/jpmorganchase/perspective
+[VSCode](https://github.com/Microsoft/vscode) Data Preview extension for viewing, slicing and dicing large csv, json array, arrow and parquet data files.
 
-## Project Goal
+![Alt text](https://github.com/RandomFractals/vscode-data-preview/blob/master/images/vscode-data-preview.png?raw=true 
+ "Data Preview")
 
-Create a VSCode extension for viewing, slicing and dicing large csv, arrow and parquet data files and produce this Data Preview in VS Code IDE:
+# MVP Features
 
-![Alt text](https://github.com/RandomFractals/vscode-data-preview/blob/master/images/vscode-data-preview.png?raw=true 
- "Data Preview") 
+- CSV and JSON array data preview, sorting and filtering
+
+# Next V.
+
+- Will include large data files support and [Apache Arrow](https://observablehq.com/@randomfractals/apache-arrow) data display and streaming.
+
+# Dev Log
+
+See [#DataPreview tag on Twitter](https://twitter.com/hashtag/datapreview?f=tweets&vertical=default&src=hash) for the latest and greatest updates on this vscode extension and what's in store next.
+
+# Dev Build
+
+```bash
+$ git clone https://github.com/RandomFractals/vscode-data-preview
+$ cd vscode-data-preview
+$ npm install
+$ code .
+```
+`F5` to launch Data Preview extension VSCode debug session.
+
+# Contributions
+
+Any and all test, code or feedback contributions are welcome. 
+
+Open an issue or create a pull request to make Vega Viewer work better for all.