Migrate to mantine v6 (#15)

* Add letter spacing to cell text

* Set window control height in px

* Add temp unused routes

* Migrate text title font weights

* Bump mantine to v6 alpha

* Migrate modals / notifications

* Increase header bar to 65px

* Adjust play button props

* Migrate various components

* Migrate various pages and root styles

* Adjust default badge padding

* Fix sidebar spacing

* Fix list header badges

* Adjust default theme

src/renderer/components/text-title/index.tsx

@@ -28,6 +28,10 @@ const StyledTextTitle = styled(MantineHeader)<TextTitleProps>`
     color: ${(props) => props.$link && 'var(--main-fg)'};
     text-decoration: ${(props) => (props.$link ? 'underline' : 'none')};
   }
+
+  h1 {
+    font-size: 4rem;
+  }
 `;
 
 const _TextTitle = ({ children, $secondary, overflow, $noSelect, ...rest }: TextTitleProps) => {