Adding naming documentation

[mohanad0mohamed]

Fixes #22

• Edited conf.py for configuration of colors

• Edited index.rst to include naming.rst

• Added naming.rst with info on naming convention.

• Added extra.css for coloring visuals

• [x] Built locally with no errors

[mohanad0mohamed]

I have found that the last commit on main branch already contains symbolic link to open-source-pdks which contains naming.rst also. But still we will need the changes in: conf.py extra.css

[mohanad0mohamed]

naming.rst is removed and index.rst is the default with no edits.

[mithro]

We should move the extra.css and the python stuff in conf.py into https://github.com/google/open-source-pdks and then this repository should then just use the files from third_party/open-source-pdks like it does with the rst files.

[mohanad0mohamed]

I'm afraid that may not happen, at least for conf.py, as it's used by read-the-docs/sphinx to configure the docs build. The problem is each project may use options different than the other like color scheme, link to their repository, and extensions. The extra.css can be moved no problems with it.

[mithro]

I have rebased this change on top of the other work which has been merged. Will add a review shortly.

[mithro]

@mohanad0mohamed - I'm not sure the title of this pull request doesn't make sense any more?

[mohanad0mohamed]

I have edit the required files to depend on open-source-pdks This PR https://github.com/google/open-source-pdks/pull/18 should be merged first to take effect.

[mohanad0mohamed]

@mithro I have fixed the name as requested from ext.py to sphinx_pdk_roles.py