BCDA-2325 Accessibility: Data guide code examples in plain text

[dhgreene]

Fixes BCDA-2325

Screen readers cannot parse images. Our code examples in the Data Guide are currently screenshots. The easiest way to make these accessible is placing them in plain text in a <code> block, which is the strategy employed by this PR.

Proposed Changes

• Type out both code examples
• Remove images

Security Implications

• new software dependencies
• security controls or supporting software altered
• new data stored or transmitted
• security checklist is completed for this change
• requires more information or team discussion to evaluate security implications

No change is made in what information is shown.

Acceptance Validation

Before

After

Feedback Requested

• Should we close the brackets in the second example?
• Are there any typos?

[msnook]

LGTM