* add quick start document

* update test

* add backend deployment document

* add frontend deployment document

* add system manual

* Supplementary translation

Translated untranslated places

* 1.0.1-release.md

add 1.0.1-release document

* 1.0.2-release.md

add 1.0.2-release document

* 1.0.3-release.md

add 1.0.3-release document

* 1.1.0-release.md

add 1.1.0-release document

* EasyScheduler-FAQ.md

add FAQ document

* Backend development documentation.md

add backend development documentation

* Upgrade documentation.md

add Upgrade documentation

* Frontend development documentation.md

add frontend development documentation