feat: Migrate ESLint to flat config and resolve initial linting errors

Migrated the ESLint configuration to the new flat config format ()
and addressed several initial linting errors.

Key changes include:
- Updated ESLint configuration to treat  as warnings instead of errors.
- Fixed  errors in  by declaring  and .
- Corrected  error in  by using  instead of an out-of-scope .
- Resolved  error in  by replacing the undefined  directive with the  component.
- Addressed  errors in  by replacing  with  and  with .
- Fixed  errors in  by importing necessary modules (, , ) and adding missing props (, , , , ).

src/lib/components/ui/tooltip/index.js

@@ -1,5 +1,5 @@
-import { Tooltip as TooltipPrimitive } from "bits-ui";
-import Content from "./tooltip-content.svelte";
+import { Tooltip as TooltipPrimitive } from 'bits-ui';
+import Content from './tooltip-content.svelte';
 
 const Root = TooltipPrimitive.Root;
 const Trigger = TooltipPrimitive.Trigger;
@@ -14,5 +14,5 @@ export {
 	Root as Tooltip,
 	Content as TooltipContent,
 	Trigger as TooltipTrigger,
-	Provider as TooltipProvider,
+	Provider as TooltipProvider
 };