Update doc for repl

[janiversen]

seems "make html" in ./doc have not been run for a while, since it refers to a non existing file repl/main

Updated to document client/server as sub packages.

[janiversen]

@dhoomakethu any thoughts ?

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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0.0% Duplication

[dhoomakethu]

I am travelling with limited network access, will check this once I am back in town (over the weekend)

[dhoomakethu]

The following documents are to be updated

/Users/sanjay/repo/pymodbus/doc/source/example/asynchronous_processor.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/common/asynchronous_processor.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/asynchronous_server.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/common/asynchronous_server.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/dbstore_update_server.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/common/dbstore_update_server.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/gui_common.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/gui/gui_common.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/modbus_scraper.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/contrib/modbus_scraper.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/sunspec_client.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/contrib/sunspec_client.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/synchronous_server.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/common/synchronous_server.py' not found or reading it failed
/Users/sanjay/repo/pymodbus/doc/source/example/updating_server.rst:4: WARNING: Include file '/Users/sanjay/repo/pymodbus/examples/common/updating_server.py' not found or reading it failed
WARNING: autodoc: failed to import module 'asyncio' from module 'pymodbus.client.asynchronous'; the following exception was raised:
No module named 'pymodbus.client.asynchronous.asyncio'
/Users/sanjay/.virtualenvs/pymodbus/lib/python3.8/site-packages/pymodbus/client/asynchronous/factory/tcp.py:docstring of pymodbus.client.asynchronous.factory.tcp.get_factory:4: WARNING: Field list ends without a blank line; unexpected unindent.
/Users/sanjay/.virtualenvs/pymodbus/lib/python3.8/site-packages/pymodbus/client/asynchronous/factory/udp.py:docstring of pymodbus.client.asynchronous.factory.udp.get_factory:4: WARNING: Field list ends without a blank line; unexpected unindent.
WARNING: autodoc: failed to import module 'internal' from module 'pymodbus'; the following exception was raised:

[janiversen]

Done in #911 (which are merged).