Create README.md - how to get things running!

Author: UnacceptableBehaviour

Diff for: docs/README.md

@@ -0,0 +1,19 @@
+# PWA - test app: 4 tabs of animated algorithms
+
+## To fire up on local server:
+
+```
+> git clone https://github.com/UnacceptableBehaviour/js_canvas_IO_docs
+> cd js_canvas_IO_docs/docs
+> http-server -p 8000                   # fire up server navigate to landing page link
+```
+
+  
+### See js_lib_test_CORS_issue also: Animation how to use RAF - request animation frame
+Standalone bouning balls animation - [walk through](https://github.com/UnacceptableBehaviour/js_canvas_IO_docs/tree/main/js_lib_test_CORS_issue)  
+Again . .  
+```
+> git clone https://github.com/UnacceptableBehaviour/js_canvas_IO_docs
+> cd js_canvas/js_lib_test_CORS_issue
+> http-server -p 8000                   # fire up server navigate to landing page link
+```