CEC-749 Generate cert UI (#141)

* Add Create Certificate page

* Tests

* Update permission check

* Use Azure

src/components/Certificates/Add/__snapshots__/DownloadCerts.test.jsx.snap

@@ -0,0 +1,41 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`DownloadCerts Render 1`] = `
+<div>
+  <div>
+    <h2>
+      Download Certifcates
+    </h2>
+    <ul>
+      <li>
+        <a
+          download="TESTVIN_cert.pem"
+        >
+          TESTVIN_cert.pem
+        </a>
+      </li>
+      <li>
+        <a
+          download="TESTVIN_key.pem"
+        >
+          TESTVIN_key.pem
+        </a>
+      </li>
+    </ul>
+    <button
+      class="MuiButtonBase-root MuiButton-root MuiButton-contained makeStyles-submit-6 MuiButton-containedPrimary MuiButton-fullWidth"
+      tabindex="0"
+      type="submit"
+    >
+      <span
+        class="MuiButton-label"
+      >
+        Done
+      </span>
+      <span
+        class="MuiTouchRipple-root"
+      />
+    </button>
+  </div>
+</div>
+`;