feat: added missing env variables in example

Author: manchuck

.env-example

@@ -15,6 +15,7 @@ ACCOUNT_SECRET_VALUE=
 ACCOUNT_SMS_CALLBACK_URL=
 
 # Applications
+APPLICATION_NAME=
 USER_DISPLAY_NAME=
 USER_ID=
 USER_NAME=
@@ -31,6 +32,7 @@ CONV_NAME=
 CONV_DISPLAY_NAME=
 CONV_EVENT_TYPE=
 CONV_EVENT_FROM=
+CONV_EVENT_ID=
 CONV_USER_ID=
 CONV_MEMBER_ID=
 CONV_MEMBER_STATE=