[FW][IMP] accounting/l10n_co: additional context

[fw-bot]

This PR improves the content of the Colombian localization documentation by adding additional context to most sections per #4425.

This PR can be FWP with small edits needed for 15.0 and 16.0.

Forward-Port-Of: #5936

[robodoo]

Pull request status dashboard.

[fw-bot]

@samueljlieber @StraubCreative cherrypicking of pull request #5936 failed.

stdout:

Auto-merging content/applications/finance/fiscal_localizations/colombia.rst
CONFLICT (content): Merge conflict in content/applications/finance/fiscal_localizations/colombia.rst

stderr:

22:37:49.889031 git.c:463               trace: built-in: git cherry-pick a359dfefabe07cf2877fc389ad941d97ec49f31e
error: could not apply a359dfefa... [IMP] accounting/l10n_co: additional context
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
----------
status:

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port

[samueljlieber]

Resolved merge conflict in cbfb252

[samueljlieber]

@robodoo retry

[robodoo]

I'm sorry, @samueljlieber: retry makes no sense when the PR is not in error.

[samueljlieber]

@robodoo r+