Add linkMethod relative symlink

[vkaylee]

It may relate to Fixes #783

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

Guide here
Add linkMehod: absoluteSymlink, relativeSymlink

The default one is symlink. It will be treated as absoluteSymlink

Add to the document. Pull request here aptly-dev/www.aptly.info#98

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

[codecov]

Codecov Report

Attention: Patch coverage is 77.27273% with 5 lines in your changes missing coverage. Please review.

Project coverage is 66.31%. Comparing base (f0a85b2) to head (2d37175).
Report is 478 commits behind head on master.

Files with missing lines	Patch %	Lines
files/package_pool.go	76.92%	2 Missing and 1 partial ⚠️
files/public.go	77.77%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1092      +/-   ##
==========================================
- Coverage   66.31%   66.31%   -0.01%     
==========================================
  Files         141      141              
  Lines       15890    15906      +16     
==========================================
+ Hits        10538    10548      +10     
- Misses       4603     4606       +3     
- Partials      749      752       +3     

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[randombenj]

@vleedev failing tests should be fixed now, would you mind rebasing?

[vkaylee]

@vleedev failing tests should be fixed now, would you mind rebasing?

It has been rebased. Could you trigger CI?

[randombenj]

Generally the changes look good, so thanks for your contribution!
Two things however:

• absoluteSymlink does not seem to work, it will create a hardlink, only symlink works, could you have a look at that
• The rebasing seems to have gone wild, there are some commits from master also in this branch now, could you maybe fix this as well?

[randombenj]

Close due to inactivity ...