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

userland/goawk/source/testdata/t.assert

@@ -0,0 +1,9 @@
+# tests whether function returns sensible type bits
+
+function assert(cond) { # assertion
+    if (!cond) print "   >>> assert failed <<<"
+}
+
+function i(x) { return x }
+
+{ m = length($1); n = length($2); n = i(n); assert(m > n) }