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 (, , , , ).

jsconfig.json

@@ -1,7 +1,7 @@
 {
-    "compilerOptions": {
-        "paths": {
-        "$lib/*": ["./src/lib/*"]
-        }
-    }
-}
+	"compilerOptions": {
+		"paths": {
+			"$lib/*": ["./src/lib/*"]
+		}
+	}
+}