Fix indent and numbering in several docs

[kpaulisse]

Overview

This pull request updates numbering and indentation of several docs.

While using these docs I noticed that a lot of the alignment in lists was off, causing the numbering to be undesired:

I went through and:

• Changed the 0. to 1. because otherwise the numeric lists are 0-based.
• Indented where needed so that the list items are rendered correctly.

I didn't make any changes to content.

All of the updated docs look correct to me when viewed through the GitHub UI on my branch.

Checklist

• Make sure that all of the tests pass, and fix any that don't. Just run rake in your checkout directory, or review the CI job triggered whenever you push to a pull request.
• Make sure that there is 100% test coverage by running rake coverage:spec or ignoring untestable sections of code with # :nocov comments. If you need help getting to 100% coverage please ask; however, don't just submit code with no tests.
• If you have added a new command line option, we would greatly appreciate a corresponding integration test that exercises it from start to finish. This is optional but recommended.
• If you have added any new gem dependencies, make sure those gems are licensed under the MIT or Apache 2.0 license. We cannot add any dependencies on gems licensed under GPL.
• If you have added any new gem dependencies, make sure you've checked in a copy of the .gem file into the vendor/cache directory.

[ahayworth]

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Thanks @kpaulisse!
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