Adding strings to en.json for mattermost-mobile (#4267)

webapp/i18n/en.json

@@ -1484,6 +1484,15 @@
   "member_list.noUsersAdd": "No users to add.",
   "members_popover.msg": "Message",
   "members_popover.title": "Members",
+  "mobile.components.channels_list_view.yourChannels": "Your channels:",
+  "mobile.components.select_server_view.enterServerUrl": "Enter Server URL",
+  "mobile.components.select_server_view.proceed": "Proceed",
+  "mobile.components.select_server_view.siteUrlPlaceholder": "https://mattermost.example.com",
+  "mobile.routes.channels": "Channels",
+  "mobile.routes.enterServerUrl": "Enter Server URL",
+  "mobile.routes.login": "Login",
+  "mobile.routes.postsList": "Posts List",
+  "mobile.routes.selectTeam": "Select Team",
   "more_channels.close": "Close",
   "more_channels.create": "Create New Channel",
   "more_channels.createClick": "Click 'Create New Channel' to make a new one",