fix: updated hello-pinecone-aws document

[Joshua-Briggs]

Problem

Updated document
Describe the purpose of this change. What problem is being solved and why?
Up-to-date with jhamon's feedback

Solution

added param names, changed the nbviewer link, changed if statement, deleted sleep function, made spec within create index method alongside AwsRegion and Metric enums.
Describe the approach you took. Link to any relevant bugs, issues, docs, or other resources.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Infrastructure change (CI configs, etc)
• Non-code change (docs, etc)
• None of the above: (explain here)

Test Plan

Describe specific steps for validating this change.
Ran within local notebook, need to check on colab too

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[jamescalam]

these all seem resolved @jhamon

I made a small tweak to use getpass to pull in the pinecone api key and confirmed everything runs as expected in colab

[jhamon]

Looks good. Thanks!