* add paddle framework.proto and support show paddle-fluid model in web page

* modify the graph drawing policy, only draw operator node in default

* Resolution of code style issues raised by Superjomn

* front-end add vue-i18n dependency

* back-end support language selection with option --language or -L

* front-end add language support with vue-i18n

* Runs state should be reflected when query changes caused by back navigation

* Maintain run state after refresh

* finalized global run selector UI

* Add runs selector open UI effect

* Add install by sources section and a link to dev server

* Update VisualDL logo

* Add label for the x-Axis

* Add zoom controll and save image feature to embedding.

* Use a more light weight method to get PCA and T-SNE. Update embedding documentations. Update loading animation

* Reveal the embedding tab

* Add the auto reload. and fix typos

* Update comments

* Limit embedding tag name to be embedding only

* display the runs to the user, so they can pick which embedding to see

* The server now loads run parameter.

* Remove the need of passing a tag name to embedding log writer and reader.

* Remove un-needed fetch

* Use first item in the list

* rename showingRun to selectedRun

* Update embedding label color

* Splite the data into matched and not-matched list

* After switching the dimension, also filter the list

* Use color variables to keep track the color

* Update color.

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

* Update Label to show wall time.

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

* 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.

* Include the embedding frontend work, currenlty using harded data

* Remove a ChartPage in embeddings
Embedding chart now use the mock data from the mock server.

* Some code refactoring.