Update 20200916-sig-tf-js.md

Added members and alphabetized.

Author: theadactyl

rfcs/20200916-sig-tf-js.md

@@ -92,12 +92,18 @@ new, community-owned repos that the SIG will drive.
   - Model visualization
 
 ### SIG members: 
+- Adam Bouhenguel (Tesserai)
+- Clément Walter (IBM)
 - Eric Li (Alibaba)
-- Zebai (Alibaba)
+- Mrinal Mathur (ARM)
+- Patrick Haralabidis (Carlisle Homes)
 - Paul Van Eck (IBM)
+- Saswat Samal (Student)
+- Shivay Lamba (Metvy)
 - Ted Chang (IBM)
 - YiHong Wang (IBM)
-- Adam Bouhenguel (Tesserai)
+- Zebai (Alibaba)
+
 ### Administrative questions: 
 - Thea Lamkin (Google): thealamkin at google dot org 
 - Joana Carrasqueira (Google): joanafilipa at google dot org