feat: rename commands and remove aliases in favour of completion

BREAKING CHANGE: changed commands as follows
D -> Docker
Dc -> Compose
Dj -> Django
Pg -> Postgres

src/cli/ahab.rs

@@ -19,25 +19,25 @@ pub enum Commands {
     },
 
     /// Docker related subcommands
-    D {
+    Docker {
         #[command(subcommand)]
         command: Docker,
     },
 
     /// Docker compose related subcommands
-    Dc {
+    Compose {
         #[command(subcommand)]
         command: DockerCompose,
     },
 
     /// Docker compose related subcommands
-    Dj {
+    Django {
         #[command(subcommand)]
         command: Django,
     },
 
     /// Postgres related subcommands
-    Pg {
+    Postgres {
         #[command(subcommand)]
         command: Postgres,
     },