feat: Google Drawings Integration (#1814)

* add google drawings integration

* add google drawings image

* update google drawings image and regex

* allow query parameter in google drawings regex

* support CDN for google drawings image

app/embeds/GoogleDrawings.test.js

@@ -0,0 +1,29 @@
+/* eslint-disable flowtype/require-valid-file-annotation */
+import GoogleDrawings from "./GoogleDrawings";
+
+describe("GoogleDrawings", () => {
+  const match = GoogleDrawings.ENABLED[0];
+  test("to be enabled on share link", () => {
+    expect(
+      "https://docs.google.com/drawings/d/1zDLtJ4HSCnjGCGSoCgqGe3F8p6o7R8Vjk8MDR6dKf-U/edit".match(
+        match
+      )
+    ).toBeTruthy();
+    expect(
+      "https://docs.google.com/drawings/d/1zDLtJ4HSCnjGCGSoCgqGe3F8p6o7R8Vjk8MDR6dKf-U/edit?usp=sharing".match(
+        match
+      )
+    ).toBeTruthy();
+  });
+
+  test("to not be enabled elsewhere", () => {
+    expect(
+      "https://docs.google.com/drawings/d/e/2PACX-1vRtzIzEWN6svSrIYZq-kq2XZEN6WaOFXHbPKRLXNOFRlxLIdJg0Vo6RfretGqs9SzD-fUazLeS594Kw/pub?w=960&h=720".match(
+        match
+      )
+    ).toBe(null);
+    expect("https://docs.google.com/drawings".match(match)).toBe(null);
+    expect("https://docs.google.com".match(match)).toBe(null);
+    expect("https://www.google.com".match(match)).toBe(null);
+  });
+});