FEAT: Add a Message Manager for App #5605

Job	Run time
Documentation Style Check	19s
Save variations of revn	1s
Code style	1m 13s
Vulnerabilities	28s
Update CHANGELOG for new tag	0s
container-stability-check	9s
config-matrix	1s
Launch testing and coverage	1s
Remote connect testing and coverage - Mechanical ${{ matrix.mechanical-version }}	1s
Build and Smoke tests	1s
Documentation	1s
Embedding scripts testing and coverage	1s
Embedding rpc testing and coverage	1s
Embedding testing and coverage	1s
Merging coverage	1s
Package library	1s
Release project	1s
Upload dev documentation	1s
Upload release documentation	1s
	2m 23s

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