added database_pool crate, for pool handling and migrations

crates/database_pool/src/lib.rs

@@ -0,0 +1,50 @@
+//! # Initialize database pool connection
+//!
+//! ```
+//! use database_pool::Pool;
+//!
+//! # async fn get_database() {
+//! let database = Pool::init("/path/to/database.sqlite").await.expect("Failed to init pool");
+//!
+//! // Close pool
+//! database.close().await;
+//! # }
+//! ```
+//!
+//! # Run migrations to pool
+//!
+//! ```
+//! use database_pool::Pool;
+//! use database_pool::run_migrations;
+//!
+//! # async fn migrations() {
+//! # let database = Pool::init("/path/to/database.sqlite").await.unwrap();
+//! run_migrations(&database.pool).await.expect("Failed to run migrations");
+//! # }
+//! ```
+//!
+//! # Run transaction on database
+//!
+//! ```
+//! use database_pool::Pool;
+//!
+//! # async fn run_transaction() {
+//! # let database = Pool::init("/path/to/database.sqlite").await.unwrap();
+//! // Start transaction
+//! let mut transaction = database.pool.begin().await.expect("Failed to start transaction");
+//!
+//! // Run functions requiring database
+//!
+//! // Commit transaction
+//! transaction.commit().await.expect("Failed to commit transaction");
+//!
+//! // Do what you need :)
+//!
+//! # }
+//! ```
+
+mod migrations;
+mod pool;
+
+pub use migrations::run_migrations;
+pub use pool::Pool;