Add composing notification

Change-Id: I2c052c4395a56ba6acf882cea3be4b82e2fde761
diff --git a/server/src/jamid/jami-signal.ts b/server/src/jamid/jami-signal.ts
index 6a9b15b..15bef48 100644
--- a/server/src/jamid/jami-signal.ts
+++ b/server/src/jamid/jami-signal.ts
@@ -25,6 +25,7 @@
   AccountsChanged = 'AccountsChanged',
   AccountDetailsChanged = 'AccountDetailsChanged',
   RegistrationStateChanged = 'RegistrationStateChanged',
+  ComposingStatusChanged = 'ComposingStatusChanged',
   IncomingTrustRequest = 'IncomingTrustRequest',
   ContactAdded = 'ContactAdded',
   ContactRemoved = 'ContactRemoved',