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/check/Cargo.toml

@@ -7,8 +7,7 @@ description = "Checks Dioxus RSX files for issues"
 license = "MIT/Apache-2.0"
 repository = "https://github.com/DioxusLabs/dioxus/"
 homepage = "https://dioxuslabs.com"
-keywords = ["dom", "ui", "gui", "react"]
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+keywords = ["web", "desktop", "mobile", "gui", "wasm"]
 
 [dependencies]
 proc-macro2 = { workspace = true, features = ["span-locations"] }