Improve markdown output from finddesc.lua

* It didn't add spaces after the ## or #, which made them not work as headings in some renderers, so I fixed this.
* I then made it add newlines to make it look nicer without being rendered.

finddesc.lua

@@ -12,14 +12,14 @@ for _,file in pairs(tA) do
  for k,v in pairs(lines) do
   local name, args, desc = v:match("function%s+(.+)%s*%((.*)%)%s*%-%-%s*(.+)")
   if name and args and desc then
-   docfiles[file][#docfiles[file]+1] = string.format("##%s(%s)\n%s",name,args,desc)
+   docfiles[file][#docfiles[file]+1] = string.format("## %s(%s)\n%s\n",name,args,desc)
   end
  end
 end
 
 for k,v in pairs(docfiles) do
  if #v > 0 then
-  print("#"..k)
+  print("\n# "..k)
   for l,m in pairs(v) do
    print(m)
   end