Add editable supply material details

backend/db.js

@@ -266,6 +266,17 @@ const initDB = async () => {
             );
         `);
 
+        await pool.query(`
+            CREATE TABLE IF NOT EXISTS supply_material_details (
+                material_key VARCHAR(255) PRIMARY KEY,
+                display_name TEXT,
+                preferred_supplier VARCHAR(255),
+                notes TEXT,
+                created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+                updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+            );
+        `);
+
         await pool.query(`
             CREATE TABLE IF NOT EXISTS consumption_references (
                 id SERIAL PRIMARY KEY,