p1: /v2/scrape, /v1/fetch, auth, CLI, contract tests

Single Fetcher.Fetch on the Guard that holds DenyPrefixes. skipTlsVerification
is ignored. No 502. keys add writes the secret only to --out. Release binary
has no -test-allow-prefix.

vendor/github.com/JohannesKaufmann/html-to-markdown/v2/plugin/base/renderers.go

@@ -0,0 +1,62 @@
+package base
+
+import (
+	"github.com/JohannesKaufmann/dom"
+	"github.com/JohannesKaufmann/html-to-markdown/v2/converter"
+	"golang.org/x/net/html"
+)
+
+// RenderAsHTML will render the node as HTML using `html.Render()`
+// Newlines will be inserted depending on the configured `TagType`.
+//
+// As an example, you could do such a combination:
+//
+//	"A text with <strong>bold</strong> and *italic* text"`
+func RenderAsHTML(ctx converter.Context, w converter.Writer, node *html.Node) converter.RenderStatus {
+	tagName := dom.NodeName(node)
+	tagType, _ := ctx.GetTagType(tagName)
+
+	if tagType == converter.TagTypeBlock {
+		w.WriteString("\n\n")
+	}
+	_ = html.Render(w, node) // TODO: what to do with error?
+	if tagType == converter.TagTypeBlock {
+		w.WriteString("\n\n")
+	}
+
+	return converter.RenderSuccess
+}
+
+// RenderAsHTMLWrapper will render the node as HTML
+// and render the children as markdown.
+func RenderAsHTMLWrapper(ctx converter.Context, w converter.Writer, node *html.Node) converter.RenderStatus {
+	name := dom.NodeName(node)
+
+	w.WriteString("<")
+	w.WriteString(name)
+	// TODO: also render the attributes?
+	w.WriteString(">\n\n")
+
+	ctx.RenderChildNodes(ctx, w, node)
+
+	w.WriteString("\n\n</")
+	w.WriteString(name)
+	w.WriteString(">")
+	return converter.RenderSuccess
+}
+
+// RenderAsPlaintextWrapper will keep the children of this node as markdown.
+func RenderAsPlaintextWrapper(ctx converter.Context, w converter.Writer, node *html.Node) converter.RenderStatus {
+	tagName := dom.NodeName(node)
+	tagType, _ := ctx.GetTagType(tagName)
+
+	if tagType == converter.TagTypeBlock {
+		w.WriteString("\n\n")
+	}
+	ctx.RenderChildNodes(ctx, w, node)
+	if tagType == converter.TagTypeBlock {
+		w.WriteString("\n\n")
+	}
+
+	return converter.RenderSuccess
+}