feat: got sqlx working

sparse-server/migrations/20250124053720_users.sql

@@ -0,0 +1,16 @@
+-- Add migration script here
+CREATE TABLE users (
+    user_id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+    user_name varchar(255) NOT NULL,
+    password_salt char(64) NOT NULL,
+    password_hash char(64) NOT NULL
+);
+
+CREATE TABLE sessions (
+    session_id char(64) NOT NULL,
+    user_id int NOT NULL,
+    expires int NOT NULL,
+
+    PRIMARY KEY (session_id),
+    FOREIGN KEY (user_id) REFERENCES users
+);