Update docs to reflect changes in master (#670)

* work on updating docs to master version

* more updates

* more polishing

* finish interactivity chapter

* finish updating core guide

* fix grammer mistakes and typos

* more grammer fixes

* add liveview guide

* remove doc build

* WIP custom renderer docs

* add axum as dev-dependancy to guide

* fix examples

* fix overview example

* use md book fork to fix compilation

docs/guide/src/en/SUMMARY.md

@@ -7,6 +7,7 @@
   - [Web](getting_started/web.md)
     - [Hot Reload](getting_started/hot_reload.md)
   - [Server-Side Rendering](getting_started/ssr.md)
+  - [Liveview](getting_started/liveview.md)
   - [Terminal UI](getting_started/tui.md)
   - [Mobile](getting_started/mobile.md)
 - [Describing the UI](describing_ui/index.md)