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

vintro

2023-08-14 f1c9ca495e450ecb62dade70c4b60d86e106f79c

 quartz/plugins/transformers/frontmatter.ts

@@ -5,12 +5,10 @@
import { slugTag } from "../../path"

export interface Options {
  language: "yaml" | "toml"
  delims: string | string[]
}

const defaultOptions: Options = {
  language: "yaml",
  delims: "---",
}