Set up SourceServer on instruments for debugging

We currently have a symbol server for pdb files, so any debugger can see all relevant symbols for an IOC, but it would also be useful to set up a source server to allow the debugger to get the real source file.

[srcsvr - microsoft](https://learn.microsoft.com/en-us/windows-hardware/drivers/debugger/srcsrv)
[srcsrv · PyPI](https://pypi.org/project/srcsrv/)
[Source indexing for github projects](https://gist.github.com/baldurk/c6feb31b0305125c6d1a)
[mstange/srcsrv: Parses and interprets the `srcsrv` stream of a Windows PDB file. (github.com)](https://github.com/mstange/srcsrv)