Revert "Remove WebIDE devtools component."

This reverts commit 8c1500707f.

# Conflicts:
#	application/basilisk/components/customizableui/CustomizableUI.jsm

devtools/client/webide/themes/permissionstable.css

@@ -0,0 +1,23 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+html, body {
+  background: white;
+}
+
+.permissionstable td {
+  text-align: center;
+}
+
+.permallow {
+  color: rgb(152,207,57);
+}
+
+.permprompt {
+  color: rgb(0,158,237);
+}
+
+.permdeny {
+  color: rgb(204,73,8);
+}