[#6] Text & Icon Cards Component

[bd-viget]

Summary

This PR adds the Text & Icon Cards Component, with 2 built-in patterns (Left [Default] and Center).

There are a few other changes in this PR:

• Block Template adjustments: Removal of patterns in lieu of built-in block templates to utilize the allowedBlocks and templateLock feature(s)
• Some theme organization/updates.

Issues

• 6

Testing Instructions

1. Create a new page
2. Add the Text & Icon Cards Component
3. Try to add more
4. Add the Text & Icon Cards Patterns

Screenshots

Initial State

3-Col (3)

3-Col (5)

Centered