Add release notes for DevTools 2.57.0 (#13262)

Co-authored-by: Parker Lougheed <parlough@gmail.com>

Author: srawlins

site/web/assets/images/docs/tools/devtools/release-notes/images-2.57.0/log_details_search.png

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+---
+title: DevTools 2.57.0 release notes
+shortTitle: 2.57.0 release notes
+breadcrumb: 2.57.0
+showToc: false
+---
+
+The 2.57.0 release of the Dart and Flutter DevTools
+includes the following changes among other general improvements.
+To learn more about DevTools, check out the
+[DevTools overview](https://docs.flutter.dev/tools/devtools).
+
+## Network profiler updates
+
+- Added a filter setting to hide HTTP-profiler socket data. [#9698](https://github.com/flutter/devtools/pull/9698)
+
+## Logging updates
+
+- Added support for searching within the log details view (raw text mode). [#9712](https://github.com/flutter/devtools/pull/9712)
+
+  ![Search in log details](/assets/images/docs/tools/devtools/release-notes/images-2.57.0/log_details_search.png "Searching within the log details view")
+
+## App size tool updates
+
+- Added documentation links and improved handling for null files. [#9689](https://github.com/flutter/devtools/pull/9689)
+
+## Full commit history
+
+To find a complete list of changes in this release, check out the
+[DevTools git log](https://github.com/flutter/devtools/tree/v2.57.0).