changelog: add v4.0.0 details

Author: meganindya

src/CHANGELOG.md

@@ -0,0 +1,15 @@
+# Changelog
+
+## 4.0.0 [2022-02-13]
+
+- Sets up a _Node.js_ project for _React_ using `create-react-app`.
+- Bundles the _Programming Framework_ ([musicblocks-v4-lib](https://github.com/sugarlabs/musicblocks-v4-lib)).
+- Adds a basic _View Framework_ that creates a _workspace_ wrapper, and _toolbar_ buttons and wrappers.
+- Adds the _Config_ component that creates a dependency tree of components and dynamically loads them.
+- Adds the _Painter_ component with a single SVG _sprite_.
+- Adds basic _Syntax Elements_ for _Painter_ instructions.
+- Adds a basic _Editor_ to author programs using _Painter_ instructions.
+- Displays the _Painter_ instructions API in the _Editor_.
+- Adds a basic _Menu_ to run and reset programs authored in the _Editor_.
+- Adds project documentation.
+- Adds `lint` and `CD` workflows.