feat: add AI-generated study plan creation dialog and API integration

- Implemented CreatePlanDialog component for generating study plans using AI.
- Integrated postAPI function for handling API requests.
- Updated planes.tsx to include AI plan generation logic.
- Modified usuarios.tsx to enable email confirmation for new users.
- Added Switch component for UI consistency.
- Created api.ts for centralized API handling.
- Developed carreras.tsx for managing career data with filtering and CRUD operations.
- Added CarreraFormDialog and CarreraDetailDialog for creating and editing career details.
- Implemented CriterioFormDialog for adding criteria to careers.

src/components/ui/switch.tsx

@@ -0,0 +1,29 @@
+import * as React from "react"
+import * as SwitchPrimitive from "@radix-ui/react-switch"
+
+import { cn } from "@/lib/utils"
+
+function Switch({
+  className,
+  ...props
+}: React.ComponentProps<typeof SwitchPrimitive.Root>) {
+  return (
+    <SwitchPrimitive.Root
+      data-slot="switch"
+      className={cn(
+        "peer data-[state=checked]:bg-primary data-[state=unchecked]:bg-input focus-visible:border-ring focus-visible:ring-ring/50 dark:data-[state=unchecked]:bg-input/80 inline-flex h-[1.15rem] w-8 shrink-0 items-center rounded-full border border-transparent shadow-xs transition-all outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
+        className
+      )}
+      {...props}
+    >
+      <SwitchPrimitive.Thumb
+        data-slot="switch-thumb"
+        className={cn(
+          "bg-background dark:data-[state=unchecked]:bg-foreground dark:data-[state=checked]:bg-primary-foreground pointer-events-none block size-4 rounded-full ring-0 transition-transform data-[state=checked]:translate-x-[calc(100%-2px)] data-[state=unchecked]:translate-x-0"
+        )}
+      />
+    </SwitchPrimitive.Root>
+  )
+}
+
+export { Switch }