refactor: update UI components and styles for improved consistency and functionality

- Refactored Skeleton component to include data-slot attribute and updated class names.
- Enhanced Switch component with size prop and improved styling.
- Updated Tooltip components to include data-slot attributes and improved styling.
- Refactored global CSS to use custom properties for theming and improved dark mode support.
- Added useIsMobile hook for responsive design handling.
- Updated IPC link implementation for tRPC in Electron.
- Adjusted ProjectsPage layout for better responsiveness.
- Removed outdated Tailwind configuration file and integrated Tailwind CSS with Vite.

src/renderer/components/ui/separator.tsx

@@ -1,29 +1,26 @@
 import * as React from "react"
-import * as SeparatorPrimitive from "@radix-ui/react-separator"
+import { Separator as SeparatorPrimitive } from "radix-ui"
 
 import { cn } from "@/lib/utils"
 
-const Separator = React.forwardRef<
-  React.ElementRef<typeof SeparatorPrimitive.Root>,
-  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
->(
-  (
-    { className, orientation = "horizontal", decorative = true, ...props },
-    ref
-  ) => (
+function Separator({
+  className,
+  orientation = "horizontal",
+  decorative = true,
+  ...props
+}: React.ComponentProps<typeof SeparatorPrimitive.Root>) {
+  return (
     <SeparatorPrimitive.Root
-      ref={ref}
+      data-slot="separator"
       decorative={decorative}
       orientation={orientation}
       className={cn(
-        "shrink-0 bg-border",
-        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        "bg-border shrink-0 data-[orientation=horizontal]:h-px data-[orientation=horizontal]:w-full data-[orientation=vertical]:h-full data-[orientation=vertical]:w-px",
         className
       )}
       {...props}
     />
   )
-)
-Separator.displayName = SeparatorPrimitive.Root.displayName
+}
 
 export { Separator }