refactor: partial state updates (#780)

* refactor: partial state updates

* refactor: less calls to restore

* refactor: add error stack trace to log

apps/server/src/config/config.ts

@@ -0,0 +1,22 @@
+export const config = {
+  database: {
+    testdb: 'test-db',
+    directory: 'db',
+    filename: 'db.json',
+  },
+  styles: {
+    directory: 'styles',
+    filename: 'override.css',
+  },
+  demo: {
+    directory: 'demo',
+    filename: ['app.js', 'index.html', 'styles.css'],
+  },
+  restoreFile: 'ontime.restore',
+};
+
+export const timerConfig = {
+  skipLimit: 1000, // threshold of skip for recalculating
+  updateRate: 32, // how often do we update the timer
+  notificationRate: 1000, // how often do we notify clients and integrations
+};