Add support tab to website

tools/website.tmpl

@@ -20,7 +20,7 @@
         <nav id="head-links">
       #for i in 0.. c.tabs.len-1:
       # let t = c.tabs[i].val
-      # if t != "community" and t != "news":
+      # if t != "index" and t != "community" and t != "news":
       #   let name = c.tabs[i].key
       #   if currentTab == t:
             <a class="active" 

web/support.txt

@@ -0,0 +1,2 @@
+Coming Soon!
+============

web/website.ini

@@ -15,9 +15,10 @@ Github_Repo: "http://github.com/Araq/Nim;link_github"
 [Tabs]
 # Menu entry: filename
 home: index
-docs: documentation
 learn: learn
+docs: documentation
 download: download
+support: support
 forum: "http://forum.nim-lang.org"
 faq: question
 # these two are not in the list of "tabs", but do exist: