[#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.

Cargo.toml

@@ -13,9 +13,14 @@ license = "Apache-2.0"
 [dependencies]
 chrono = { version = "0.4.41", features = ["serde"] }
 pulldown-cmark = "0.13.0"
-rusqlite = "0.37.0"
 serde = { version = "1.0.219", features = ["derive"] }
+sqlx = { version = "0.8.6", features = ["sqlite", "chrono", "runtime-tokio"] }
 toml = "0.9.5"
 
+[dev-dependencies]
+tokio = { version = "1", features = ["full"] }
+
+
+
 [features]
 publisher = []