[FEATURE] Add html view and some notes

# counterwallet/src/locales/en/translation.json
enhanced_* in translation

# counterwallet/src/js/pages.init.js
window.ENHANCED_BROADCAST_MODAL = new EnhancedBroadcastModalViewModel();
ko.applyBindings(ENHANCED_BROADCAST_MODAL, document.getElementById("enhancedBroadcastModal"));

# counterwallet/src/pages/balances.html
And view <!-- modal for enhancedBroadcast -->
        <p class="formPadded" data-bind="locale: 'enhanced_broadcast_form'"></p>