Utility script to create a new docs page with the correct ID

Signed-off-by: Solomon Hykes <solomon@dagger.io>

docs/new.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+## Create a new documentation article
+
+function new() {
+	local name
+	name="$1"
+	if [ -z "$name" ]; then
+		echo >&2 "Usage: $0 NAME"
+		return 1
+	fi
+	local last
+	last="$(
+		find . -name '[0-9]*.md' |
+		sed -E -e 's/^.*\/([0-9]+)-([^\/]*)\.md/\1/' |
+		sort -u -n |
+		tail -n 1
+	)"
+	local next
+	((next="$last"+1))
+
+	local filename="$next-$name.md"
+	echo "Creating $filename"
+	touch "$filename"
+}
+
+
+new "$@"