Add main news (#1200)

* improve docs

* add news for calling python -m subliminal

changelog.d/1197.change.rst

@@ -0,0 +1 @@
+Can use `python -m subliminal`

docs/user/installation.rst

@@ -21,10 +21,10 @@ clone your fork locally and install a development version::
 
     $ git clone https://github.com/<my-username>/subliminal
     $ cd subliminal
-    $ pip install --user -e '.[dev,test,docs]'
+    $ pip install --user -e '.[dev,tests,docs]'
 
 External dependencies
 ---------------------
 
-To extract information about the video files, `subliminal` uses `knowit <https://github.com/ratoaq2/knowit`.
-For better results, make sure one of its provider is installed, for instance `MediaInfo <https://mediaarea.net/en/MediaInfo>`.
+To extract information about the video files, ``subliminal`` uses `knowit <https://github.com/ratoaq2/knowit>`_.
+For better results, make sure one of its provider is installed, for instance `MediaInfo <https://mediaarea.net/en/MediaInfo>`_.

docs/user/usage.rst

@@ -47,6 +47,12 @@ Example of a ``subliminal.toml`` file:
 
 See :ref:`cli` for more details on the available commands and options.
 
+.. note::
+
+    The subliminal module can also be called from the command line::
+
+        $ python -m subliminal download -h
+
 
 Nautilus/Nemo integration
 -------------------------

src/subliminal/core.py

@@ -37,7 +37,7 @@
     from subliminal.score import ComputeScore
 
 
-#: Supported archive extensions
+#: Supported archive extensions (.rar)
 ARCHIVE_EXTENSIONS = ('.rar',)
 
 logger = logging.getLogger(__name__)