Add link of Tech for Good events and meet ups to the site

[cheapwebmonkey]

Add a links to the new page 'Techquity', found here: https://github.com/civicdata/civicdata.github.io/blob/master/techquity.md that showcases groups and meet ups in the area that focus on utilizing tech for good- i.e. tech that helps effect positive change in our community.

[Anshulgangwar63]

I would like to work. Is it still open?

[mgottholsen]

@Anshulgangwar63 This is still open, go ahead and submit a PR with additions.

[prashant0598]

@mgottholsen Can the meetups,events belong to any region?
For example: Asia

[dldisha]

Added 3 meetups #123 ..please merge this