Added support for decimal data type in schema.

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>

laravel/database/schema/table.php

@@ -276,6 +276,19 @@ class Table {
 		return $this->column(__FUNCTION__, compact('name'));
 	}
 
+	/**
+	 * Add a decimal column to the table.
+	 *
+	 * @param  string  $name
+	 * @param  int     $precision
+	 * @param  int     $scale
+	 * @return Fluent
+	 */
+	public function decimal($name, $precision, $scale)
+	{
+		return $this->column(__FUNCTION__, compact('name', 'precision', 'scale'));
+	}
+
 	/**
 	 * Add a boolean column to the table.
 	 *