Fix missing newline at the end of a file

[maximiliankolb]

What changes are you introducing?

Add a missing newline character at the end of the file.

Why are you introducing these changes? (Explanation, links to references, issues, etc.)

Refs #4336

Anything else to add? (Considerations, potential downsides, alternative solutions you have explored, etc.)

find guides/common/modules/ -type f -name "*.adoc" | xargs -L1 sh -c 'test "$(tail -c 1 "$0")" && echo "No new line at end of $0"'

Contributor checklists

• I am okay with my commits getting squashed when you merge this PR.
• I am familiar with the contributing guidelines.

Please cherry-pick my commits into:

• Foreman 3.16/Katello 4.18 (Satellite 6.18)
• Foreman 3.15/Katello 4.17
• Foreman 3.14/Katello 4.16 (Satellite 6.17; orcharhino 7.4)
• Foreman 3.13/Katello 4.15 (EL9 only)
• Foreman 3.12/Katello 4.14 (Satellite 6.16; orcharhino 7.2 on EL9 only; orcharhino 7.3)
• Foreman 3.11/Katello 4.13 (orcharhino 6.11 on EL8 only; orcharhino 7.0 on EL8+EL9; orcharhino 7.1 with Leapp)
• Foreman 3.10/Katello 4.12
• Foreman 3.9/Katello 4.11 (Satellite 6.15; orcharhino 6.8/6.9/6.10)
• We do not accept PRs for Foreman older than 3.9.

[maximiliankolb]

@jafiala I would kindly ask you to verify your editor settings as you were the last person to change this file.

[github-actions]

The PR preview for 4566b83 is available at theforeman-foreman-documentation-preview-pr-4385.surge.sh

No diff compared to the current base

show diff

[maximiliankolb]

@jafiala friendly reminder. Please review my PR and if possible check your editor settings. Your can use the command from the description to verify this.

[maximiliankolb]

Merged to "master" and cherry-picked:
4a8e55a..516f95d 3.16 -> 3.16