chore: ESLint Flat Config (#834)

* chore: eslint flat config

* chore: format

* update according to review

* chore: remove prettier config and format

* fix: move handler to script to bypass eslint

* chore: config eslint for lang=js block

* docs: add surrounding empty lines for code block

* chore: also minify css in csp build

* chore: publint

Author: kingyue737

.eslintignore

@@ -29,7 +29,6 @@ Problems about ECharts itself are not handled in this repo. / 本 repo 不负责
 
 > eg. 6.0.0-beta.5
 
-
 ## Reproduction link / 复现链接
 
 **For bug reports, please provide the steps to reproduce and if possible a minimal demo of the problem. Please paste the link to your CodeSandbox demo below: ([Vue 3 template](https://codesandbox.io/s/charming-night-2y6m6?file=/src/App.vue) / [Vue 2 template](https://codesandbox.io/s/suspicious-glitter-mk66j?file=/src/App.vue))**

.eslintrc.json

@@ -0,0 +1,2 @@
+pnpm-lock.yaml
+demo/data/*.json