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

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

@@ -0,0 +1,33 @@
+BEGIN {
+	x = y = "s"
+	a = (getline x y)
+	print a, x
+	a = (getline x + 1)
+	print a, x
+	a = (getline x - 2)
+	print a, x
+
+	cmd = "echo A"
+	a = (cmd | getline x y)
+	close(cmd)
+	print a, x
+
+	cmd = "echo B"
+	a = (cmd | getline x + 1)
+	close(cmd)
+	print a, x
+
+	cmd = "echo C"
+	a = (cmd | getline x - 2)
+	close(cmd)
+	print a, x
+
+	cmd = "echo D"
+	a = cmd | getline x
+	close(cmd)
+	print a, x
+
+	# Concatenation has higher precedence than IO.
+	"echo " "date" | getline
+	print
+}