added csharp, sql snippets from users

snippets/text-mode/cc-mode/csharp-mode/class

@@ -0,0 +1,21 @@
+#contributor : Alejandro Espinoza Esparza <aespinoza@structum.com.mx>
+#name : class ... { ... }
+# --
+${5:public} class ${1:Name}
+{
+    #region Ctor & Destructor
+    /// <summary>
+    /// ${3:Standard Constructor}
+    /// </summary>
+    public $1($2)
+    {
+    }
+
+    /// <summary>
+    /// ${4:Default Destructor}
+    /// </summary>    
+    public ~$1()
+    {
+    }
+    #endregion
+}