* Complete re layout the documentation on PPO.

* Add how to develop in cn. Also rearrange the demo location.

* Update the doc to use CDN

* Update installation guide.

* Update the doc setting to use layout.html template

* Update the documentations to fix some grammer error

* Add virtualenv and anaconda
* Remove overlap guide
* Clarify some confusing language

* Add new release note.

* Update the Graph feature description.

* Update the release log

* Fix the bug where the scalar chart is not showing time wall properly.

* Update Label to show wall time.

* update IP to new node

* hardcoding styles to nodes and edges

* add SVG_TO_PNG download helper

* tiny

* add copyright to the author

* 1.0.0

* Add license to the top of files

* Add licenses agreement on the demo files

* Provide demo code how on to create text records.

* Remove test code

Vue comes with the debouce feature. That's why I encountered the variable not used error. Removing those import and bring back the 'no-unused-vars' check. (#376)

* Create pre-commit with ESLint

* add vue-eslint-parser

* Add prop-name-casing and script-indent to the eslint rule.

* Update Javascript and Vue files with the proper style

* Comment out ESlint pre-commit first to udpate styles

* Complete audio data integration:
* Add num channels, sample width, sample rate as params
* Generate audio file with proper params

* clang format

* Use ESlint to format the Javascript and Vue files.
Strongly recommended rules applied.

* Add google format package

* Audio integration to front end
* Add flask end point
* Read and decode audio data

* refract a typo

* fix clang format

* Make the frontend to fetch the data from the flask server.

* Provide loading animation.

* Fixed format style
Fix the issue where the display label not working.

* Provide a 2D 3D switcher.
Display the chart in 3D.

* Include PCA method to do dimension reduction

* Fix the style.

* Fix typo
Use === to compare type as well.