Implement sequence patching endpoint.

Allows us to change remarks and meta fields in sequences.

lib/www/server/api/middleware/sequence/index.js

@@ -1,4 +1,5 @@
 module.exports = {
 	list: require('./list'),
-	get: require('./get')
+	get: require('./get'),
+	patch: require('./patch')
 };

lib/www/server/api/middleware/sequence/patch.js

@@ -0,0 +1,17 @@
+
+const { sequence } = require('../../../lib/db');
+
+module.exports = async function (req, res, next) {
+
+	try {
+		const payload = req.body;
+
+		await sequence.patch(req.params.project, req.params.sequence, payload);
+		res.status(201).send();
+		next();
+	} catch (err) {
+		next(err);
+	}
+
+
+};