Add changes file for 4.11.1

Change-Id: I4fceef356ff83bcd4bf1e282eaad427feaf80038
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

dist/changes-4.11.1.md

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+# Qt Creator 4.11.1
+
+Qt Creator version 4.11.1 contains bug fixes.
+
+The most important changes are listed in this document. For a complete
+list of changes, see the Git log for the Qt Creator sources that
+you can check out from the public Git repository. For example:
+
+    git clone git://code.qt.io/qt-creator/qt-creator.git
+    git log --cherry-pick --pretty=oneline origin/v4.11.0..v4.11.1
+
+## Editing
+
+* Fixed `Visualize Whitespace` for editors without specialized highlighter definition
+  (QTCREATORBUG-23040)
+
+### C++
+
+* Fixed wrong warnings about C++98 incompatibility with MSVC (QTCREATORBUG-23118)
+* Fixed accidentally added internal include paths from GCC (QTCREATORBUG-23330)
+
+### FakeVim
+
+* Fixed goto next and previous split (QTCREATORBUG-22397)
+* Fixed indentation of continuation lines (QTCREATORBUG-20876)
+
+## Projects
+
+* Fixed crash when closing application output
+
+### CMake
+
+* Fixed subdirectory structure in project tree (QTCREATORBUG-23372)
+
+## Qt Quick Designer
+
+* Fixed removing single signals from Connection (QDS-1333)
+
+## Test Integration
+
+* Fixed stopping tests when debugging (QTCREATORBUG-23298)
+
+## Platforms
+
+### Windows
+
+* Worked around issue with HiDPI in Qt (QTBUG-80934)
+
+### WebAssembly
+
+* Fixed missing device in kit (QTCREATORBUG-23360)
+
+### QNX
+
+* Fixed deployment of Qt examples (QTCREATORBUG-22592)
+
+## Credits for these changes go to: