Getting Involved intro/insights

[rdblake21]

Update: https://sfdo-community-sprints.github.io/summit-events-app-documentation/docs/getting-involved/ Review: N/A Intent:

• Setup what the person is seeing and the goals of the section.
• Add context to the images and explain what they are seeing

[dwhitig]

@rdblake21 can we do a call to discuss this perhaps with @FrancisTR on the call to help me better understand what you are looking for?