add real sqlx migrations

migrations/20230615073810_adding_anmeldung_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE anmeldung;

migrations/20230615073810_adding_anmeldung_table.up.sql

@@ -0,0 +1,7 @@
+-- Add up migration script here
+CREATE TABLE IF NOT EXISTS anmeldungen (
+            id INTEGER PRIMARY KEY NOT NULL,
+            name TEXT NOT NULL,
+            email TEXT NOT NULL,
+            klasse TEXT NOT NULL
+        );

src/main.rs

@@ -29,18 +29,6 @@ async fn main() {
         .await
         .expect("Failed to connect to the database.");
 
-    sqlx::query!(
-        "CREATE TABLE IF NOT EXISTS anmeldungen (
-            id INTEGER PRIMARY KEY NOT NULL,
-            name TEXT NOT NULL,
-            email TEXT NOT NULL,
-            klasse TEXT NOT NULL
-        )"
-    )
-    .execute(&db_pool)
-    .await
-    .expect("Failed to create the table.");
-
     // build our application with some routes
     let app = Router::new()
         .nest_service("/static", ServeDir::new("static"))