fix: added redirects for SFU routes

Author: roerohan

public/__redirects

@@ -2333,3 +2333,16 @@
 
 # Calls
 /calls/* /realtime/:splat 301
+
+# Realtime
+/realtime/limits /realtime/sfu/limits 302
+/realtime/sessions-tracks /realtime/sfu/sessions-tracks/ 302
+/realtime/get-started /realtime/sfu/get-started/ 302
+/realtime/calls-vs-sfus /realtime/sfu/calls-vs-sfus/ 302
+/realtime/https-api /realtime/sfu/https-api/ 302
+/realtime/datachannels /realtime/sfu/datachannels/ 302
+/realtime/simulcast /realtime/sfu/simulcast/ 302
+/realtime/demos /realtime/sfu/demos/ 302
+/realtime/example-architecture /realtime/sfu/example-architecture/ 302
+/realtime/pricing /realtime/sfu/pricing/ 302
+/realtime/changelog /realtime/sfu/changelog/ 302