feat: announcement dialog

apps/mobile/src/components/Announcements/functions.js

@@ -0,0 +1,14 @@
+export const margins = {
+  0: 0,
+  1: 12,
+  2: 20
+};
+
+export const getStyle = style => {
+  if (!style) return {};
+  return {
+    marginTop: margins[style.marginTop] || 0,
+    marginBottom: margins[style.marginBottom] || 0,
+    textAlign: style.textAlign || 'left'
+  };
+};