Fixing links on contributing page

[isaacgsmith]

Description

Fixes links here:
https://tardis-sn.github.io/tardis/contributing/CONTRIBUTING.html

Examples

Fixed page:
https://smithis7.github.io/tardis/branch/link_fix_doc/contributing/CONTRIBUTING.html

Type of change

• Bug fix.
• New feature.
• Breaking change.
• None of the above.

Checklist

• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
  • (optional) I have built the documentation on my fork following the instructions.
• I have assigned and requested two reviewers for this pull request.

[tardis-bot]

Before a pull request is accepted, it must meet the following criteria:

• Is the necessary information provided?
• Is this a duplicate PR?
  • If a new PR is clearly a duplicate, ask how this PR is different from the original PR?
  • If this PR is about to be merged, close the original PR with a link to this new PR that solved the issue.
• Does it pass existing tests and are new tests provided if required?
  • The test coverage should not decrease, and for new features should be close to 100%.
• Is the code tidy?
  • No unnecessary print lines or code comments.

[codecov]

Codecov Report

Merging #1865 (ab0b00a) into master (f24be9a) will increase coverage by 4.46%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1865      +/-   ##
==========================================
+ Coverage   57.65%   62.12%   +4.46%     
==========================================
  Files          66       66              
  Lines        6809     6809              
==========================================
+ Hits         3926     4230     +304     
+ Misses       2883     2579     -304     

Impacted Files	Coverage Δ
tardis/tardis/simulation/base.py	83.79% <0.00%> (+0.46%)	⬆️
tardis/tardis/visualization/plot_util.py	100.00% <0.00%> (+6.25%)	⬆️
tardis/tardis/montecarlo/montecarlo_numba/base.py	32.14% <0.00%> (+7.14%)	⬆️
tardis/tardis/base.py	75.00% <0.00%> (+17.85%)	⬆️
tardis/tardis/visualization/tools/sdec_plot.py	85.97% <0.00%> (+76.45%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f24be9a...ab0b00a. Read the comment docs.