mouse-actions-gui: Add at v0.4.5

**Summary**
- Resolves #3993
- The Mouse Actions GUI has been introduced as a replacement for Easystroke, offering an updated and streamlined interface for configuring mouse gestures and actions.

packages/m/mouse-actions-gui/MAINTAINERS.md

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+This file is used to indicate primary maintainership for this package. A package may list more than one maintainer to avoid bus factor issues. People on this list may be considered “subject-matter experts”. Please note that Solus Staff may need to perform necessary rebuilds, upgrades, or security fixes as part of the normal maintenance of the Solus package repository. If you believe this package requires an update, follow documentation from https://help.getsol.us/docs/packaging/procedures/request-a-package-update. In the event that this package becomes insufficiently maintained, the Solus Staff reserves the right to request a new maintainer, or deprecate and remove this package from the repository entirely.
+
+- Jakob Gezelius 
+  - Email: [email protected] 

packages/m/mouse-actions-gui/abi_libs

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+mouse-actions-gui

packages/m/mouse-actions-gui/abi_symbols

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+mouse-actions-gui:BrotliDecoderCreateInstance
+mouse-actions-gui:BrotliDecoderDecompressStream
+mouse-actions-gui:BrotliDecoderDestroyInstance
+mouse-actions-gui:BrotliDecoderErrorString
+mouse-actions-gui:BrotliDecoderGetErrorCode
+mouse-actions-gui:BrotliDecoderIsUsed

packages/m/mouse-actions-gui/abi_used_libs

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+libX11.so.6
+libXtst.so.6
+libc.so.6
+libcairo.so.2
+libgcc_s.so.1
+libgdk-3.so.0
+libgdk_pixbuf-2.0.so.0
+libgio-2.0.so.0
+libglib-2.0.so.0
+libgobject-2.0.so.0
+libgtk-3.so.0
+libjavascriptcoregtk-4.0.so.18
+libm.so.6
+libsoup-2.4.so.1
+libwebkit2gtk-4.0.so.37