fix: update readme to include packages not mentioned

Author: jerrythomas

CONTRIBUTING.md

@@ -7,6 +7,7 @@ Rokkit is a monorepo using [pnpm workspaces](https://pnpm.io/workspaces) for eas
 | Package                         |
 | ------------------------------- |
 | [core](packages/core)           |
+| [data](packages/data)           |
 | [actions](packages/actions)     |
 | [stores](packages/stores)       |
 | [atoms](packages/atoms)         |

README.md

@@ -26,6 +26,7 @@ Components have been separated into the following packages. Refer to the package
 - [@rokkit/molecules](packages/molecules)
 - [@rokkit/organisms](packages/organisms)
 - [@rokkit/layout](packages/layout)
+- [@rokkit/chart](packages/chart)
 - [@rokkit/icons](packages/icons)
 - [@rokkit/themes](packages/themes)
 - [@rokkit/ui](packages/ui)