kellnr-migration 6.1.0

Kellnr is a self-hosted registry for Rust crates with support for rustdocs and crates.io caching.
Documentation
# Running Migrator CLI

- Generate a new migration file
    ```sh
    cargo run -- generate MIGRATION_NAME
    ```
- Apply all pending migrations
    ```sh
    cargo run
    ```
    ```sh
    cargo run -- up
    ```
- Apply first 10 pending migrations
    ```sh
    cargo run -- up -n 10
    ```
- Rollback last applied migrations
    ```sh
    cargo run -- down
    ```
- Rollback last 10 applied migrations
    ```sh
    cargo run -- down -n 10
    ```
- Drop all tables from the database, then reapply all migrations
    ```sh
    cargo run -- fresh
    ```
- Rollback all applied migrations, then reapply all migrations
    ```sh
    cargo run -- refresh
    ```
- Rollback all applied migrations
    ```sh
    cargo run -- reset
    ```
- Check the status of all migrations
    ```sh
    cargo run -- status
    ```

# Changing database scheme

1. Change `src/iden.rs`.
2. Create new migration under `src/m20220101_00000XX_create_table.rs`.
3. Add the migration in `src/lib.rs`.
4. Apply migration (on postgres, sqlite will give wrong types in the
   autogenerated entities, application by `cargo run` in `migration` directory
   may fail, while running the whole `kellnr` succeeds).
5. Generate new entities running `sea-orm-cli generate entity -u
   postgresql://admin:admin@127.0.0.1/kellnr_dbpostgresql://admin:admin@127.0.0.1/kellnr_db` (adjust this command
   appropriately) in the `src/m20220101_00000XX_create_table_entities`
   directory.
6. Copy entities to `../entity/src` (`mod.rs` shall go to `lib.rs`).