Migration FAQs: add the FAQ links of the migration related tools#6663

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ti-chi-bot merged 4 commits intopingcap:masterfrom qiancai:add_tool_faq_to_migrate_faq

Jul 15, 2021

Commits on Jul 13, 2021

Commits on Jul 15, 2021

Update faq/migration-tidb-faq.md

qiancai
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TomShawn
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