Add on the sqlite3 pragmas.

migrations/20250802154952_init.sql

@@ -1,6 +1,12 @@
 -- +goose Up
 -- +goose StatementBegin
 CREATE TABLE user (id INTEGER PRIMARY KEY, username TEXT UNIQUE NOT NULL, email TEXT UNIQUE, password TEXT NOT NULL);
+PRAGMA foreign_keys = ON;
+PRAGMA journal_mode = WAL;
+PRAGMA synchronous = NORMAL;
+PRAGMA mmap_size = 134217728; -- 128 megabytes
+PRAGMA journal_size_limig = 67108864; -- 64 megabytes
+PRAGMA cache_size = 2000;
 -- +goose StatementEnd
 
 -- +goose Down