typofix: lambda. also follows coding convention

autoload/neosnippet/snippets/ruby.snip

@@ -109,7 +109,13 @@ snippet sort_by
 options word
     sort_by {|${1:#:variable}| ${2} }
 
-snippet lamda
+snippet lambda
 options word
     lambda {|${1:#:args}| ${2} }
 
+snippet     main
+options     head
+    if __FILE__ == $ 0
+        ${1:TARGET}
+    end
+# the space is necessary unfortunately..