chore: Update colors

[0xstepit]

This PR tries to improve colors of flow.nvim reverting back some changes to previous versions.

Close #27

[mrglos]

Hi @0xstepit. Thanks for your time and effort updating the colors. My eyes are happy as well. Lualine is now more readable.
One small suggestion. What do you think about making letters a bit darker to further improve the contrast?

[0xstepit]

I like the idea! Did a small change. WDYT? The only constraint I would like to have is to keep the background of one section the foreground of the other.

For light:

For dark:

[mrglos]

I like the idea! Did a small change. WDYT? The only constraint I would like to have is to keep the background of one section the foreground of the other.

For light:

For dark:

I fetched the latest changes however I'm not able to see any difference. It looks the same as on my first picture.
Am I doing something wrong?

[0xstepit]

@mrglos yeah sorry, try now. I forgot to push changes.

[mrglos]

Hi, thanks @0xstepit! Looks good now!

[0xstepit]

Fixed also colored background in code block when background is transparent. Close #26