refactor: switch router to gin

internal/driver/capabilities.go

@@ -0,0 +1,11 @@
+package driver
+
+import "github.com/gin-gonic/gin"
+
+func Capabilities(c *gin.Context) {
+	c.JSON(200, gin.H{
+		"Capabilities": map[string]bool{
+			"Scope": true, // Indicates that the driver supports scope (local/global)
+		},
+	})
+}