Create views to share between the new K-5 PL page and the Middle-High PL page

[kelbyhawn]

Adds two new views that can be shared between the new https://code.org/professional-learning/elementary (K-5 PL) page and existing https://code.org/educate/professional-learning/middle-high (Middle-High PL) page:

• Additional programs/offerings
  • This section shares the Self-Paced Learning and Outside the United States blocks
  • The h2, description, and Workshops block will change based on which page you're on
• Have questions?
  • This section is identical on both pages

This PR adds the new views to https://code.org/educate/professional-learning/middle-high and preps it to be added in the main PR: #57904.

Jira ticket: ACQ-1749 • Parent ticket: ACQ-1412

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Middle-High

K-5 (this is a preview of what it'll look like on the new K-5 PL page)

[bethanyaconnor]

Thanks for breaking this out into its own PR!