add changeLog to v2.7.0

[cyjseagull]

No description provided.

[ghost]

Sider detected 4 warnings on analyzing the commit fd7daa0.

• ⚠️ Cppcheck
• ⚠️ Goodcheck
• ⚠️ Phinder
• ⚠️ SCSS-Lint

We recommend fixing them as possible by updating the dependencies, configuring the analysis tool, configuring sider.yml, turning off unused tools, and so on.

If you have problems or questions still, feel free to ask us via chat. 💬

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[codecov-io]

Codecov Report

Merging #200 (fd7daa0) into release-2.7.0 (63ed57f) will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff                @@
##             release-2.7.0     #200   +/-   ##
================================================
  Coverage            17.56%   17.56%           
  Complexity             682      682           
================================================
  Files                  417      417           
  Lines                12682    12682           
  Branches              1469     1469           
================================================
  Hits                  2227     2227           
  Misses               10211    10211           
  Partials               244      244           

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
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