Switch to async Rust and break all logic.

src/database/migrations/mod.rs

@@ -3,16 +3,17 @@ use super::get_connection;
 pub mod init;
 pub mod scripts;
 
-pub fn run_migrations() {
+pub async fn run_migrations() {
     let client = get_connection();
 
     let list = client
         .list_database_names(None, None)
+        .await
         .expect("Failed to fetch database names.");
 
     if list.iter().position(|x| x == "revolt").is_none() {
-        init::create_database();
+        init::create_database().await;
     } else {
-        scripts::migrate_database();
+        scripts::migrate_database().await;
     }
 }