docs: add demo

bennypowers · bennypowers · commit 847a227fced4 · 2025-12-25T16:33:51.000+02:00
diff --git a/elements/pf-helper-text/demo/index.html b/elements/pf-helper-text/demo/index.html
@@ -0,0 +1 @@
+<pf-helper-text variant="success">Success!</pf-helper-text>

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	`1`	`+<pf-helper-text variant="success">Success!</pf-helper-text>`