adding tc and update dev

content/en/maillist/dev.md

 +++
 listname = "Dev"
 emailaddress = "dev@openeuler.org"
-description = "Mail list for discussions on openEuler community development. Any topics related to community development can be discussed here. "
+description = "Mail list for discussions on openEuler community development. Any topics related to community development can be discussed here. All the project teams share this mail list and please add indicator in the title, e.g. [iSula]"
 websitelink = "https://mailweb.openeuler.org/postorius/lists/dev.openeuler.org"
 archivelink = "https://mailweb.openeuler.org/hyperkitty/list/dev@openeuler.org"
 weight =  2

content/en/maillist/tc.md

++++
+listname = "TC"
+emailaddress = "tc@openeuler.org"
+description = "Mail list for discussions for openEuler Technical Community."
+websitelink = "https://mailweb.openeuler.org/postorius/lists/tc.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/tc@openeuler.org"
+weight =  9
++++

content/zh/maillist/dev.md

 +++
 listname = "Dev"
 emailaddress = "dev@openeuler.org"
-description = "openEuler社区开发讨论组。任何社区开发相关的话题都可以在这里讨论。"
+description = "openEuler社区开发讨论组。任何社区开发相关的话题都可以在这里讨论。所有开发项目都使用该列表，在标题上写标签，比如[iSula]"
 websitelink = "https://mailweb.openeuler.org/postorius/lists/dev.openeuler.org"
 archivelink = "https://mailweb.openeuler.org/hyperkitty/list/dev@openeuler.org"
 weight =  2

content/zh/maillist/tc.md

++++
+listname = "TC"
+emailaddress = "tc@openeuler.org"
+description = "openEuler社区技术委员会讨论组。"
+websitelink = "https://mailweb.openeuler.org/postorius/lists/tc.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/tc@openeuler.org"
+weight =  9
++++