Update guidance for code blocks in docs
What does this MR do?
Adds a table to show the standards for code block languages, to make sure everyone uses the same tags.
I also standardized the language tags for a few examples (bash to shell, etc). While changing the language tags, I noticed that the spacing was broken for a few of them, so I fixed the spacing at the same time.
Related issues
Related to #32881 (closed)
Author's checklist
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Follow the Documentation Guidelines and Style Guide. -
If applicable, update the permissions table. -
Link docs to and from the higher-level index page, plus other related docs where helpful. -
Apply the documentation label.
Review checklist
All reviewers can help ensure accuracy, clarity, completeness, and adherence to the Documentation Guidelines and Style Guide.
1. Primary Reviewer
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Review by a code reviewer or other selected colleague to confirm accuracy, clarity, and completeness. This can be skipped for minor fixes without substantive content changes.
2. Technical Writer
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Optional: Technical writer review. If not requested for this MR, must be scheduled post-merge. To request for this MR, assign the writer listed for the applicable DevOps stage.
3. Maintainer
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Review by assigned maintainer, who can always request/require the above reviews. Maintainer's review can occur before or after a technical writer review. -
Ensure a release milestone is set. -
If there has not been a technical writer review, create an issue for one using the Doc Review template.
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