feat: themes (#902)

* chore: add next theme and initial setup

* chore: add dark mode colors to layouts

* chore: user general setting page theming

* chore: dashboard theming

* chore: project page theming

* chore: workspace setting page theming

* chore: my issue page theming

* chore: cmdk theming

* chore: change hardcode bg and text color to theme

* chore: change color name according to the design

* style: fix card in the dashboard

* style: fix merge conflict design issues

* style: add light high contrast and dark high contrast

* style: fix cmd k menu color and selection

* feat: change theme from cmdk menu

* chore: add multiple theme field to custom theme

* chore: removed custom theming

* fix: build error

---------

Co-authored-by: Saheb Giri <iamsahebgiri@gmail.com>

apps/app/components/pages/page-form.tsx

@@ -61,7 +61,7 @@ export const PageForm: React.FC<Props> = ({ handleFormSubmit, handleClose, statu
   return (
     <form onSubmit={handleSubmit(handleCreateUpdatePage)}>
       <div className="space-y-5">
-        <h3 className="text-lg font-medium leading-6 text-gray-900">
+        <h3 className="text-lg font-medium leading-6 text-brand-base">
           {status ? "Update" : "Create"} Page
         </h3>
         <div className="space-y-3">