feat: Implement --hyperlink=auto

[henryhchchc]

Implement --hyperlink=auto/always/never. This enables eza to embed hyperlinks only when printing to a terminal.

Fixes #1093
Fixes #703

[henryhchchc]

The test is obsolete

Fixed by 58b98cf

Details

``` eza> Testing tests/gen/long_time_style_relative_nix.toml ... failed 16ms 475us 986ns

eza> ---- expected: stdout
eza> ++++ actual: stdout
eza> 1 - drwxr-xr-x - nixbld 55 years git
eza> 2 - drwxr-xr-x - nixbld 55 years grid
eza> 3 - drwxr-xr-x - nixbld 55 years group
eza> 4 - drwxr-xr-x - nixbld 55 years icons
eza> 5 - drwxr-xr-x - nixbld 55 years perms
eza> 6 - drwxr-xr-x - nixbld 55 years size
eza> 7 - drwxr-xr-x - nixbld 55 years specials
eza> 8 - drwxr-xr-x - nixbld 55 years symlinks
eza> 9 - drwxr-xr-x - nixbld 55 years time
eza> 1 + drwxr-xr-x - nixbld 56 years git
eza> 2 + drwxr-xr-x - nixbld 56 years grid
eza> 3 + drwxr-xr-x - nixbld 56 years group
eza> 4 + drwxr-xr-x - nixbld 56 years icons
eza> 5 + drwxr-xr-x - nixbld 56 years perms
eza> 6 + drwxr-xr-x - nixbld 56 years size
eza> 7 + drwxr-xr-x - nixbld 56 years specials
eza> 8 + drwxr-xr-x - nixbld 56 years symlinks
eza> 9 + drwxr-xr-x - nixbld 56 years time
eza> stderr:

</details> 

[henryhchchc]

I think the issues are addressed and the tests are passing now. Would appreciate your reviews! @sseering @MartinFillon @PThorpe92 @gierens @cafkafk

[dontdieych]

Oh, this is why I couldn't use eza and had to use ls instead. I'm looking forward to it. 👍

[MartinFillon]

Hi thanks for the pr, this looks good to me.