Implement generic support for IRCv3 standard replies. (#2589)

https://ircv3.net/specs/extensions/standard-replies

Co-authored-by: Patrick <tingping@tingping.se>

src/common/textevents.in

@@ -436,6 +436,18 @@ pevt_discon_help
 %C20*%O$tDisconnected (%C20$1%O)
 1
 
+Fail
+XP_TE_FAIL
+pevt_stdrpl_help
+%C20*%O$t$2%O
+2
+
+Fail Command
+XP_TE_FAILCMD
+pevt_stdrplcmd_help
+%C20*%O$t$1: $3%O
+3
+
 Found IP
 XP_TE_FOUNDIP
 pevt_foundip_help
@@ -574,6 +586,18 @@ pevt_generic_none_help
 %C23*%O$tNo process is currently running
 0
 
+Note
+XP_TE_NOTE
+pevt_stdrpl_help
+%C22*%O$t$2%O
+2
+
+Note Command
+XP_TE_NOTECMD
+pevt_stdrplcmd_help
+%C22*%O$t$1: $3%O
+3
+
 Notice
 XP_TE_NOTICE
 pevt_notice_help
@@ -802,6 +826,18 @@ pevt_usersonchan_help
 %C22*%O$tUsers on %C22$1%C: %C24$2%O
 2
 
+Warn
+XP_TE_WARN
+pevt_stdrpl_help
+%C23*%O$t$2%O
+2
+
+Warn Command
+XP_TE_WARNCMD
+pevt_stdrplcmd_help
+%C23*%O$t$1: $3%O
+3
+
 WhoIs Authenticated
 XP_TE_WHOIS_AUTH
 pevt_whoisauth_help