Tutorial.rst: Change documentation about .coafile

Replaced the deprecated [Default] section by [cli].
Assigned True to use_spaces instead of yeah.
These changes were made because the previous documentation was
inconsistent with the observation upon execution of coala.

Closes coala/coala#4968

Author: Rahmeen14

Users/Tutorial.rst

@@ -148,10 +148,10 @@ This should yield something like this:
 
 ::
 
-    [Default]
+    [cli]
     bears = SpaceConsistencyBear
     files = src/*.c
-    use_spaces = yeah
+    use_spaces = True
 
 If you now invoke ``coala`` it will parse this ``.coafile`` from your
 current directory. This makes it easy to specify once for your project