Washington, D.C., Chief Technology Officer Archana Vemulapalli is resigning, her office’s Twitter account announced Tuesday. Appointed by Mayor Muriel Bowser in January, 2016, Vemulapalli is credited with having led a wide array of technology projects in the District, including improving the local government’s cybersecurity posture, drafting and advocating for equitable and effective smart cities policy, and serving as a vocal leader in the national discussion around diversity and inclusion in…