'Usage: datasette', not 'Usage: cli' - refs #336

docs/datasette-package-help.txt

@@ -1,6 +1,6 @@
 $ datasette package --help
 
-Usage: cli package [OPTIONS] FILES...
+Usage: datasette package [OPTIONS] FILES...
 
   Package specified SQLite files into a new datasette Docker container
 

docs/datasette-publish-help.txt

@@ -1,6 +1,6 @@
 $ datasette publish --help
 
-Usage: cli publish [OPTIONS] PUBLISHER [FILES]...
+Usage: datasette publish [OPTIONS] PUBLISHER [FILES]...
 
   Publish specified SQLite database files to the internet along with a datasette API.
 

docs/datasette-serve-help.txt

@@ -1,6 +1,6 @@
 $ datasette serve --help
 
-Usage: cli serve [OPTIONS] [FILES]...
+Usage: datasette serve [OPTIONS] [FILES]...
 
   Serve up specified SQLite database files with a web UI
 

update-docs-help.py

@@ -18,6 +18,7 @@ def update_help_includes():
         actual = "$ datasette {} --help\n\n{}".format(
             name, result.output
         )
+        actual = actual.replace('Usage: cli ', 'Usage: datasette ')
         open(docs_path / filename, "w").write(actual)