userland: add archive tools and pinned GoAWK, esbuild, and QuickJS

userland/goawk/source/testdata/gawk/leaddig.awk

@@ -0,0 +1,12 @@
+# check that values with leading digits get converted the
+# right way, based on a note in comp.lang.awk.
+#
+# run with gawk -v x=2E -f leaddig.awk
+
+BEGIN {
+	# 4/2018: Put it into the program to make generation of the
+	# recipe automatable
+	x = "2E"
+
+	print "x =", x, (x == 2), (x == 2E0), (x == 2E), (x == 2D)
+}