Add clan invite link on details page

app/styles/clans/clan-details.sass

@@ -1,4 +1,11 @@
 #clan-details-view
 
-  .clan-description
-    margin-left: 10px
+  .join-clan-link
+    width: 390px
+
+  .join-link-prompt
+    font-weight: bold
+
+  .stats-table
+    width: 200px
+    background: rgba(0, 0, 0, 0.0)

app/templates/clans/clan-details.jade

@@ -9,23 +9,36 @@ block content
         each line in clan.get('description').split('\n')
           p= line
 
-    p
-      if isOwner
-        button.btn.btn-sm.btn-warning.delete-clan-btn Delete Clan
-      else if isMember
-        button.btn.btn-sm.btn-warning.leave-clan-btn Leave Clan
-      else
-        button.btn.btn-sm.btn-success.join-clan-btn Join Clan
-
+  h5 Summary
+  table.table.table-condensed.stats-table
     if owner
-      p 
-        span.spr Chieftain:
-        a(href="/user/#{clan.get('ownerID')}")= owner.get('name')
+      tr
+        td
+          span.spr Chieftain
+        td
+          a(href="/user/#{clan.get('ownerID')}")= owner.get('name')
     if stats.averageLevel
-      p Average level: #{stats.averageLevel}
+      tr
+        td Average Level
+        td= stats.averageLevel
     if stats.totalAchievements
-      p Total achievements earned: #{stats.totalAchievements}
-      
+      tr
+        td Achievements
+        td= stats.totalAchievements
+
+  p
+    if isOwner
+      button.btn.btn-sm.btn-warning.delete-clan-btn Delete Clan
+    else if isMember
+      button.btn.btn-sm.btn-warning.leave-clan-btn Leave Clan
+    else
+      button.btn.btn-sm.btn-success.join-clan-btn Join Clan
+
+  div
+    span.spl.spr.join-link-prompt Invite:
+    input.join-clan-link(type="text", readonly, value="#{joinClanLink}")
+  .small *Invite players to this Clan by sending them this link.
+
   if members
     h3 Heroes (#{members.length})
     table.table.table-striped.table-condensed

app/views/clans/ClanDetailsView.coffee

@@ -30,6 +30,10 @@ module.exports = class ClanDetailsView extends RootView
   getRenderData: ->
     context = super()
     context.clan = @clan
+    if application.isProduction()
+      context.joinClanLink = "https://codecombat.com/clans/#{@clanID}"
+    else
+      context.joinClanLink = "http://localhost:3000/clans/#{@clanID}"
     context.owner = @owner
     context.memberAchievementsMap = @memberAchievementsMap
     context.members = @members?.models