!21 Add A-Tune and kernel mail list

Merge pull request !21 from freesky-edward/update-ml

content/en/maillist/a-tune.md

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+listname = "A-Tune"
+emailaddress = "a-tune@openeuler.org"
+description = "Mail list for development on openEuler A-Tune."
+websitelink = "https://mailweb.openeuler.org/postorius/lists/a-tune.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/a-tune@openeuler.org"
+weight =  11
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content/en/maillist/kernel.md

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+listname = "Kernel"
+emailaddress = "kernel@openeuler.org"
+description = "Mail list for development on openEuler kernel，Any topics related to kernel development can be discussed and kernel patch can be accepted here."
+websitelink = "https://mailweb.openeuler.org/postorius/lists/kernel.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org"
+weight =  10
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content/zh/maillist/a-tune.md

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+listname = "A-Tune"
+emailaddress = "a-tune@openeuler.org"
+description = "openEuler A-Tune项目邮件讨论组。"
+websitelink = "https://mailweb.openeuler.org/postorius/lists/a-tune.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/a-tune@openeuler.org"
+weight =  11
++++

content/zh/maillist/kernel.md

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+listname = "Kernel"
+emailaddress = "kernel@openeuler.org"
+description = "openEuler社区kernel开发组，用于讨论kernel相关技术和接收kernel相关patch。"
+websitelink = "https://mailweb.openeuler.org/postorius/lists/kernel.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org"
+weight =  10
++++