MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、登录页JS修复等全部改动

web/tzurl/zoneinfo/Africa/Khartoum.ics

@@ -0,0 +1,50 @@
+BEGIN:VCALENDAR
+PRODID:-//tzurl.org//NONSGML Olson 2025c//EN
+VERSION:2.0
+BEGIN:VTIMEZONE
+TZID:Africa/Khartoum
+LAST-MODIFIED:20251211T094730Z
+TZURL:https://www.tzurl.org/zoneinfo/Africa/Khartoum
+X-LIC-LOCATION:Africa/Khartoum
+X-PROLEPTIC-TZNAME:LMT
+BEGIN:STANDARD
+TZNAME:CAT
+TZOFFSETFROM:+021008
+TZOFFSETTO:+0200
+DTSTART:19310101T000000
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CAST
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0300
+DTSTART:19700501T000000
+RDATE:19710430T000000
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:CAT
+TZOFFSETFROM:+0300
+TZOFFSETTO:+0200
+DTSTART:19701015T000000
+RRULE:FREQ=YEARLY;UNTIL=19851014T210000Z
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CAST
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0300
+DTSTART:19720430T000000
+RRULE:FREQ=YEARLY;BYMONTH=4;BYDAY=-1SU;UNTIL=19850427T220000Z
+END:DAYLIGHT
+BEGIN:STANDARD
+TZNAME:EAT
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0300
+DTSTART:20000115T120000
+END:STANDARD
+BEGIN:STANDARD
+TZNAME:CAT
+TZOFFSETFROM:+0300
+TZOFFSETTO:+0200
+DTSTART:20171101T000000
+END:STANDARD
+END:VTIMEZONE
+END:VCALENDAR