Readding missing files, fix SVG spacing

.config/jest-setup.js

@@ -0,0 +1,28 @@
+/*
+ * ⚠️⚠️⚠️ THIS FILE WAS SCAFFOLDED BY `@grafana/create-plugin`. DO NOT EDIT THIS FILE DIRECTLY. ⚠️⚠️⚠️
+ *
+ * In order to extend the configuration follow the steps in
+ * https://grafana.com/developers/plugin-tools/how-to-guides/extend-configurations#extend-the-jest-config
+ */
+
+import '@testing-library/jest-dom';
+import { TextEncoder, TextDecoder } from 'util';
+
+Object.assign(global, { TextDecoder, TextEncoder });
+
+// https://jestjs.io/docs/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom
+Object.defineProperty(global, 'matchMedia', {
+  writable: true,
+  value: (query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: jest.fn(), // deprecated
+    removeListener: jest.fn(), // deprecated
+    addEventListener: jest.fn(),
+    removeEventListener: jest.fn(),
+    dispatchEvent: jest.fn(),
+  }),
+});
+
+HTMLCanvasElement.prototype.getContext = () => {};