feat: schema sqlite de la table links

database/schema.sql

@@ -0,0 +1,9 @@
+CREATE TABLE IF NOT EXISTS links (
+    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+    title       TEXT NOT NULL,
+    description TEXT,
+    link_url    TEXT NOT NULL UNIQUE,
+    thumbnail   TEXT,
+    created_at  TEXT NOT NULL DEFAULT (datetime('now')),
+    updated_at  TEXT NOT NULL DEFAULT (datetime('now'))
+);