Add CLI application with database migration and entity generation commands

- Introduced a new CLI application in the `apps/cli` directory.
- Implemented commands for database migration and entity generation.
- Updated `Cargo.toml` files to include necessary dependencies.
- Enhanced the `justfile` to facilitate CLI command execution.
- Modified workspace configuration to include the new CLI application.

public/migration/Cargo.toml

@@ -11,6 +11,7 @@ path = "src/lib.rs"
 
 [dependencies]
 tokio = { version = "1", features = ["macros", "rt", "rt-multi-thread"] }
+sea-orm-cli = { version = "2.0.0-rc", features = ["sqlx-postgres", "sqlx-mysql", "sqlx-sqlite", "runtime-tokio"] }
 
 [dependencies.sea-orm-migration]
 version = "2.0.0-rc"