Update all docs links to 0.6, release 0.6 (#3225)

* update doc links to 0.6
* add new splash pages for crates
* update keyword features
* remove some unnecessary links

packages/cli/README.md

@@ -63,9 +63,6 @@ default_platform = "web"
 [web.app]
 title = "Hello"
 
-[web.watcher]
-
 [web.resource.dev]
 ```
 
-The full anatomy of `Dioxus.toml` is shown on the [Dioxus website](https://dioxuslabs.com/learn/0.5/CLI/configure).