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

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

@@ -0,0 +1,13 @@
+# Tue Feb  4 12:20:10 IST 2003
+
+# Misc functions tests, in case we start mucking around in the grammar again.
+
+# Empty body shouldn't hurt anything:
+function f() {}
+BEGIN { f() }
+
+# Using a built-in function name should manage the symbol table
+# correctly:
+function split(x) { return x }
+
+function x(a) { return a }