feat: add example image for /graph query parameters documentation

pphatdev · pphatdev · commit b19be087f6bc · 2026-02-20T16:32:57.000+07:00
diff --git a/docs/graph-params.md b/docs/graph-params.md
@@ -1,5 +1,7 @@
 # `/graph` Query Parameters
 
+<img alt="aurora" src="https://stats.pphat.top/graph?username=pphatdev&size=small&show_title=false&show_total_contribution=false" />
+
 ## Required
 
 | Param | Type | Description |
