Add Community Impact section to Owner's page

[orta]

• Pods is bigger, cause it's always gonna be substantially lower
• QI score is is all Pods' cocoadocs table quality_estimate average
• Apps Touched is all Pods' stats table's app_total combined
• Combined Downloads is all Pods' stats table's download_total combined
• Combined Stargazers is all Pods' github table's stargazers combined. This should be hidden if 0 because they don't use github.
• Total Lines of Code is all Pods' cocoadocs table's total_lines_of_code combined

[kylef]

This is awesome 👌

[neonichu]

✨ 💖 ✨