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/postgres.rs

@@ -0,0 +1,18 @@
+use std::path::PathBuf;
+
+use clap::Subcommand;
+
+#[derive(Subcommand, Debug)]
+pub enum Postgres {
+    /// Import dump via pg_restore
+    Import {
+        #[arg(value_enum)]
+        path: PathBuf,
+    },
+
+    /// Dump via pg_dump with format=c
+    Dump {
+        #[arg(value_enum)]
+        path: PathBuf,
+    },
+}