docs: note about existing content at same path on different branches

vintro

2023-08-14 f1c9ca495e450ecb62dade70c4b60d86e106f79c

 quartz/components/scripts/plausible.inline.ts

@@ -1,3 +1,3 @@
import Plausible from 'plausible-tracker'
import Plausible from "plausible-tracker"
const { trackPageview } = Plausible()
document.addEventListener("nav", () => trackPageview())