Simplify cli-config, hotreload -> devtools (drop to 0 deps, fast compile times) (#2975)

* simplify cli-config crate
* clean up configs
* add devtools crate, update cargo imports
* fix serve addr, fix websocket proxy issue
* add comment about opt profiles
* rename hot-reload to devtools

packages/cli/src/main.rs

@@ -5,6 +5,7 @@
 pub mod assets;
 pub mod builder;
 pub mod cli;
+pub mod config;
 pub mod dioxus_crate;
 pub mod dx_build_info;
 pub mod error;