the c(h)at's name

Add some keys translation to named the rocketchat tab to happychat project (happydev Paris).

src/locales/en.json

@@ -108,7 +108,8 @@
       "searchBy": "Find a circle",
       "searchButton": "search",
       "tabJoin": "Discover circles",
-      "tabLeave": "My circles"
+      "tabLeave": "My circles",
+      "members": "member(s)"
     },
     "left": {
       "paragraphQuit": "You left this circle.",
@@ -155,11 +156,11 @@
       "title": "Communities",
       "searchBy": "Find by name",
       "searchButton": "Search",
-      "members": "members"
+      "members": "member(s)"
     },
     "profile": {
       "back": "Back",
-      "members": "members",
+      "members": "member(s)",
       "edit": "Edit the page"
     },
     "edit": {
@@ -318,7 +319,7 @@
   "goButton": "GO",
   "directory": {
     "back": "Back to the profile directory",
-    "members": "members",
+    "members": "member(s)",
     "module.name": "Members directory",
     "picture.delete": "Remove the picture",
     "picture.upload": "Upload the picture",