[#2] Adjusted the database to use SQLX for async.

It was determined that Async database access would be prefereable incase
we decide to use a network database instead of sqlite.

Tests and examples need to be checked, but they were made to build.

src/lib.rs

@@ -15,5 +15,5 @@ mod tavern;
 pub use crate::adventurer::Adventurer;
 pub use crate::database::Database;
 pub use crate::info::{get_name, get_version};
-pub use crate::tale::Tale;
+pub use crate::tale::{FrontMatter, Tale};
 pub use crate::tavern::Tavern;