Add Oasis-Mobile-UX theme with hexagon navigation

- Selectable Oasis-Mobile-UX theme; mobile.css kept intact
- Hexagon category launcher on home (10 categories with expandable modules)
- Customizable bottom bar (up to 4 shortcuts, Peers/Invites fixed)
- Empty states and collapsible activity filters

src/client/assets/translations/oasis_es.js

@@ -1,6 +1,20 @@
 const { a, em, strong } = require('../../../server/node_modules/hyperaxe');
 module.exports = {
   es: {
+    bbAdd: "Añadir",
+    bbQuickActions: "Acciones rápidas",
+    bbPickTitle: "Fijar un módulo",
+    bbPickDesc: "Elige un módulo para el hueco + de la barra inferior.",
+    bbPickNone: "Ninguno",
+    bbManage: "Editar",
+    bbYourBar: "Tu barra",
+    bbRemove: "Quitar",
+    bbFull: "Máximo alcanzado",
+    bbDone: "Hecho",
+    activityChangeFilter: "Cambiar filtro",
+    emptyConnectHint: "Conéctate a un pub para sincronizar con la red.",
+    emptyConnectCta: "Conéctate a un pub",
+    menuCommunity: "Comunidad",
     activityGroupCommunity: "Comunidad y Gobernanza",
     activityGroupOrg: "Organización",
     activityGroupComm: "Comunicación",