Readding missing files, fix SVG spacing

jest.config.js

@@ -0,0 +1,8 @@
+// force timezone to UTC to allow tests to work regardless of local timezone
+// generally used by snapshots, but can affect specific tests
+process.env.TZ = 'UTC';
+
+module.exports = {
+  // Jest configuration provided by Grafana scaffolding
+  ...require('./.config/jest.config'),
+};