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/desktop/src/webview.rs

@@ -381,7 +381,7 @@ impl WebviewInstance {
         }
     }
 
-    #[cfg(all(feature = "hot-reload", debug_assertions))]
+    #[cfg(all(feature = "devtools", debug_assertions))]
     pub fn kick_stylsheets(&self) {
         // run eval in the webview to kick the stylesheets by appending a query string
         // we should do something less clunky than this