Autofunctions for `components.v1.html`, `components.v1.iframe` are broken

[snehankekre]

The following autofunctions are broken:

• <Autofunction function="streamlit.components.v1.html" />
• <Autofunction function="streamlit.components.v1.iframe" />

When used in the API Reference, the following error message is displayed:

[randyzwitch]

I believe this was fixed by #47, can you check @snehankekre ?

[snehankekre]

@randyzwitch The autofunction for .add_rows was fixed by #47. Static components docstrings remain broken. I've removed .add_rows from the issue title.