docs: add S7 PLC simulator implementation plan

wanshenmean

2026-03-13 adf41ccad7f0abd082d899c390995a0a2e584044

 Code/WCS/WIDESEAWCS_Client/src/components/basic/VolElementMenu.vue

@@ -43,7 +43,7 @@
</template>

<script>
import VolElementMenuChild from './VolElementMenuChild';
import VolElementMenuChild from './VolElementMenuChild.vue';
import { useRouter } from 'vue-router';

import {