Add Upcoming and Previous blocks to speaker profile

Problem/Motivation

As a speaker, would like to be able to access session from the speaker profile page so that I have less steps to navigate to my session.

Steps to reproduce

https://twincitiesdrupal.org/user

Proposed resolution

Similar to the NEDCamp site, add blocks for Upcoming and Previous sessions. (Ex: https://nedcamp.org/speaker/norah-medlin)

Remaining tasks

• Create view blocks
• Add view blocks
• (optionally) create custom /speaker path for speakers (may be out of scope for this issue)

User interface changes

Create and style view blocks

API changes

N/A

Data model changes

Unknown