feat: achievement improvements

- Added achievement notification
- Show locked achievements
- Fixed quote padding
- Fixed date picker layout

Co-authored-by: David Ralph <me@davidcralph.co.uk>
Co-authored-by: Isaac <contact@eartharoid.me>

src/components/Elements/MainModal/scss/settings/_main.scss

@@ -51,6 +51,8 @@ input {
   /* date picker */
   &[type='date'] {
     width: 260px;
+    display: flex;
+    flex-flow: column;
 
     @include themed {
       background: t($modal-sidebar);