Initial scaffold for rover dev rewrite

Cargo.toml

@@ -45,6 +45,7 @@ default = ["composition-js"]
 # notably, it is disabled for x86_64-unknown-linux-musl builds
 # because of this GitHub issue: https://github.com/denoland/deno/issues/3711
 composition-js = []
+dev-two = []
 
 ### cross-workspace dependencies
 # these dependencies can be used by any other workspace crate by specifying the dependency like so:

src/command/dev/dev_two/do_dev.rs

@@ -0,0 +1,13 @@
+use camino::Utf8PathBuf;
+
+use crate::{command::Dev, utils::client::StudioClientConfig, RoverOutput, RoverResult};
+
+impl Dev {
+    pub async fn run(
+        &self,
+        override_install_path: Option<Utf8PathBuf>,
+        client_config: StudioClientConfig,
+    ) -> RoverResult<RoverOutput> {
+        todo!()
+    }
+}

src/command/dev/dev_two/mod.rs

@@ -0,0 +1 @@
+pub mod do_dev;

src/command/dev/do_dev.rs

@@ -21,6 +21,7 @@ pub fn log_err_and_continue(err: RoverError) -> RoverError {
 }
 
 impl Dev {
+    #[cfg(not(feature = "dev-two"))]
     pub async fn run(
         &self,
         override_install_path: Option<Utf8PathBuf>,

src/command/dev/mod.rs

@@ -14,6 +14,9 @@
 #[cfg(feature = "composition-js")]
 mod compose;
 
+#[cfg(feature = "dev-two", feature = "composition-js")]
+mod dev_two;
+
 #[cfg(feature = "composition-js")]
 mod do_dev;