Update auto API documentation generation for readthedocs.io publishing

[tumaysem]

Update auto API documentation generation for readthedocs.io publishing

[coveralls]

Pull Request Test Coverage Report for Build 3951216447

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 59.571%

---

Totals
Change from base Build 3839904656:	0.0%
Covered Lines:	333
Relevant Lines:	559

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 3951216447

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 59.571%

---

Totals
Change from base Build 3839904656:	0.0%
Covered Lines:	333
Relevant Lines:	559

---

💛 - Coveralls

[aasseman]

@tumaysem @tkornuta-semiotic @anirudh2 how about using MkDocs (with rtd theme) + mike plugin (adds multi-version docs support), and store the whole thing on gh-pages?

(other MkDocs plugins here)

[tumaysem]

Closing in favor of mkdocs.