Added a smarter ruby-mode class snippet

snippets/text-mode/ruby-mode/cls

@@ -1,5 +1,12 @@
 #name : class ... end
+#contributor : hitesh <hitesh.jasani@gmail.com>
 # --
-class ${Name}
+class ${1:$
+         (let ((fn (capitalize (file-name-nondirectory
+                                 (file-name-sans-extension
+                                   (buffer-file-name))))))
+           (cond
+             ((string-match "_" fn) (replace-match "" nil nil fn))
+              (t fn)))}
  $0
 end