chore: Reorganize file tree for easier onboarding. Rust project now at the root for simple git clone && cargo run

opnsense-config/src/config/shell/mod.rs

@@ -0,0 +1,31 @@
+mod ssh;
+pub use ssh::*;
+
+use async_trait::async_trait;
+
+use crate::Error;
+
+#[async_trait]
+pub trait OPNsenseShell: std::fmt::Debug + Send + Sync {
+    async fn exec(&self, command: &str) -> Result<String, Error>;
+    async fn write_content_to_temp_file(&self, content: &str) -> Result<String, Error>;
+    async fn upload_folder(&self, source: &str, destination: &str) -> Result<String, Error>;
+}
+
+#[cfg(test)]
+#[derive(Debug)]
+pub struct DummyOPNSenseShell;
+
+#[cfg(test)]
+#[async_trait]
+impl OPNsenseShell for DummyOPNSenseShell {
+    async fn exec(&self, _command: &str) -> Result<String, Error> {
+        unimplemented!("This is a dummy implementation");
+    }
+    async fn write_content_to_temp_file(&self, _content: &str) -> Result<String, Error> {
+        unimplemented!("This is a dummy implementation");
+    }
+    async fn upload_folder(&self, _source: &str, _destination: &str) -> Result<String, Error> {
+        unimplemented!("This is a dummy implementation");
+    }
+}