Add "bash3boilerplate" from "https://git.knownelement.com/ExternalVendorCode/bash3boilerplate.git@main"

git-vendor-name: bash3boilerplate
git-vendor-dir: vendor/git.knownelement.com/ExternalVendorCode/bash3boilerplate
git-vendor-repository: https://git.knownelement.com/ExternalVendorCode/bash3boilerplate.git
git-vendor-ref: main

vendor/git.knownelement.com/ExternalVendorCode/bash3boilerplate/Makefile

@@ -0,0 +1,59 @@
+# Licensed under MIT.
+# Copyright (2016) by Kevin van Zonneveld https://twitter.com/kvz
+#
+# https://www.npmjs.com/package/fakefile
+#
+# Please do not edit this file directly, but propose changed upstream instead:
+# https://github.com/kvz/fakefile/blob/main/Makefile
+#
+# This Makefile offers convience shortcuts into any Node.js project that utilizes npm scripts.
+# It functions as a wrapper around the actual listed in `package.json`
+# So instead of typing:
+#
+#  $ npm script build:assets
+#
+# you could also type:
+#
+#  $ make build-assets
+#
+# Notice that colons (:) are replaced by dashes for Makefile compatibility.
+#
+# The benefits of this wrapper are:
+#
+# - You get to keep the the scripts package.json, which is more portable
+#   (Makefiles & Windows are harder to mix)
+# - Offer a polite way into the project for developers coming from different
+#   languages (npm scripts is obviously very Node centric)
+# - Profit from better autocomplete (make <TAB><TAB>) than npm currently offers.
+#   OSX users will have to install bash-completion
+#   (http://davidalger.com/development/bash-completion-on-os-x-with-brew/)
+
+ifeq ($(shell test -e ./yarn.lock && echo -n yes),yes)
+	RUNNER=yarn
+	INSTALLER=yarn install
+else
+	RUNNER=npm run
+	INSTALLER=npm install
+endif
+
+define npm_script_targets
+TARGETS := $(shell \
+	node -e 'for (var k in require("./package.json").scripts) {console.log(k.replace(/:/g, "-"));}'
+		| grep -v -E "^install$$"
+)
+$$(TARGETS):
+	$(RUNNER) $(shell \
+							node -e 'for (var k in require("./package.json").scripts) {console.log(k.replace(/:/g, "-"), k);}'
+								| grep -E "^$(MAKECMDGOALS)\s"
+								| head -n1
+								| awk '{print $$2}'
+							)
+
+.PHONY: $$(TARGETS)
+endef
+
+$(eval $(call npm_script_targets))
+
+# These npm run scripts are available, without needing to be mentioned in `package.json`
+install:
+	$(INSTALLER)