Monaco editor refactoring (#4225)

* monaco editor refactoring

Signed-off-by: Roman <ixrock@gmail.com>

* clean up / responding to comments

Signed-off-by: Roman <ixrock@gmail.com>

* move custom monaco themes to own folder

Signed-off-by: Roman <ixrock@gmail.com>

* fix lint

Signed-off-by: Roman <ixrock@gmail.com>

* removed unused rules from webpack's config (renderer)

Signed-off-by: Roman <ixrock@gmail.com>

src/renderer/components/input/input.scss

@@ -63,6 +63,10 @@
     }
   }
 
+  input[type=number]::-webkit-inner-spin-button {
+    -webkit-appearance: none; // hide browser controls (top/bottom arrows)
+  }
+
   input, textarea {
     background: none;
     color: inherit;