Add TinyGo build example

pkg/yqlib/candidiate_node_json.go

@@ -1,3 +1,5 @@
+//go:build !yq_nojson
+
 package yqlib
 
 import (

scripts/build-tinygo-yq.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# Currently, the `yq_nojson` feature must be enabled when using TinyGo.
+tinygo build -no-debug -tags "yq_nolua yq_noini yq_notoml yq_noxml yq_nojson" .