added __all__ statement to fix language server complaint when using `from uniplot import plot`

[h0uter]

added all statement to fix language server complaint when using from uniplot import plot

[olavolav]

@h0uter Interesting, and thanks for the PR! Haven't seen that warning myself, would you perhaps have a screenshot of it?

[olavolav]

Think I found what you mean:

• https://stackoverflow.com/questions/44834/what-does-all-mean-in-python
• https://neovim.discourse.group/t/pyright-with-nvim-lspconfig-weird-errors-about-importing-and-exporting-stuff/2795

[h0uter]

looks like you already found it, but here's two screens of the error my language server (pylance) gave.