docs: Add Mau Camargo's Notkesto to showcase (#570)

Mau Camargo

2023-11-05 e806c30fa1a7ab941969da01c05ac4adeeeeeb9e

 quartz/processors/filter.ts

@@ -1,5 +1,5 @@
import { BuildCtx } from "../ctx"
import { PerfTimer } from "../perf"
import { BuildCtx } from "../util/ctx"
import { PerfTimer } from "../util/perf"
import { ProcessedContent } from "../plugins/vfile"

export function filterContent(ctx: BuildCtx, content: ProcessedContent[]): ProcessedContent[] {