Add more details to the Periscope Directory + Update ARR by Annual Cohort Definition
This MR:
- adds a clearer way to get in touch with the data team to the data team page
- fixes a broken link in the Periscope Directory Page
- adds the new Sales Dashboard to the Periscope Directory Page
- adds a link to the Periscope Directory page from the Tech Stack page
- updates ARR by Annual Cohort Definition from !20928 (closed) which I couldn't get passing
Edited by Emilie Schario