docs(tutorial): Fix location of filename introduction

Previously the `filename` option was only mentioned in the
Python-specific section

docs/tutorial.rst

@@ -19,6 +19,9 @@ The most basic configuration is just telling ``towncrier`` where to look for new
 
    [tool.towncrier]
    directory = "changes"
+   # Where you want your news files to come out. This can be .rst
+   # or .md, towncrier's default template works with both.
+   filename = "NEWS.rst"
 
 Which will look into "./changes" for news fragments and write them into "./NEWS.rst".
 
@@ -32,9 +35,6 @@ If you're working on a Python project, you can also specify a package::
    # but if you don't keep your code in a 'src' dir, remove the
    # config option
    package_dir = "src"
-   # Where you want your news files to come out. This can be .rst
-   # or .md, towncrier's default template works with both.
-   filename = "NEWS.rst"
 
 By default, ``towncrier`` will look for news fragments inside your Python package, in a directory named ``newsfragments``.
 With this example project, it will look in ``src/myproject/newsfragments/`` for them.