realsense-viewer not installed

[Achllle]

In the main readme in section launching a reference is made to realsense-viewer but the installation instructions using binaries do not install librealsense-utils which has the realsense-viewer directive.

I can make a PR to add these, wanted to check first if they should be added to the default setup or as some optional tool, for example through multi-stage builds or docker compose config.

[Achllle]

Adding sources for librealsense2-utils makes it install:

RUN mkdir -p /etc/apt/keyrings && curl -sSf https://librealsense.intel.com/Debian/librealsense.pgp | sudo tee /etc/apt/keyrings/librealsense.pgp > /dev/null
RUN echo "deb [signed-by=/etc/apt/keyrings/librealsense.pgp] https://librealsense.intel.com/Debian/apt-repo `lsb_release -cs` main" | sudo tee /etc/apt/sources.list.d/librealsense.list

This needs to be added before the apt-get install

[2b-t]

Hi @Achllle
Thanks for noticing and reporting it. Seems like I removed it by mistake back in August (see f459a56). I will add it again.