feat: prepare initial cli layout

Made initial command scopes
d -> docker related commands
dc -> docker compose related commands
dj -> django related commands
pg -> postgres related commands

src/cli/ahab.rs

@@ -0,0 +1,37 @@
+use super::{Django, Docker, DockerCompose, Postgres};
+use clap::{Parser, Subcommand};
+
+/// A program for interacting with various dockerized applications.
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about=None)]
+pub struct Ahab {
+    #[command(subcommand)]
+    pub command: Commands,
+}
+
+#[derive(Debug, Subcommand)]
+pub enum Commands {
+    /// Docker related subcommands
+    D {
+        #[command(subcommand)]
+        command: Docker,
+    },
+
+    /// Docker compose related subcommands
+    Dc {
+        #[command(subcommand)]
+        command: DockerCompose,
+    },
+
+    /// Docker compose related subcommands
+    Dj {
+        #[command(subcommand)]
+        command: Django,
+    },
+
+    /// Postgres related subcommands
+    Pg {
+        #[command(subcommand)]
+        command: Postgres,
+    },
+}