feat: Add ClickUp Embed Service (#1465)

* Add Clickup Embed Service

* Transparency Icon


Co-authored-by: Tom Moor <tom.moor@gmail.com>

app/embeds/ClickUp.js

@@ -0,0 +1,22 @@
+// @flow
+import * as React from "react";
+import Frame from "./components/Frame";
+
+const URL_REGEX = new RegExp(
+  "^https?://share.clickup.com/[a-z]/[a-z]/(.*)/(.*)$"
+);
+
+type Props = {|
+  attrs: {|
+    href: string,
+    matches: string[],
+  |},
+|};
+
+export default class ClickUp extends React.Component<Props> {
+  static ENABLED = [URL_REGEX];
+
+  render() {
+    return <Frame src={this.props.attrs.href} title="ClickUp Embed" />;
+  }
+}