Add application/x-ms-pdb
PDB files contain debug symbols for PE libraries and executables, which can be used with debuggers such as winedbg.
application/x-ms-pdb is not an official IANA media type, but is used by
the file
utility and others.
https://github.com/file/file/blob/de7d52dce3e7a0bb1a72f299a265c2b641187842/magic/Magdir/msvc https://github.com/microsoft/microsoft-pdb/blob/805655a28bd8198004be2ac27e6e0290121a5e89/PDB/msf/msf.cpp#L961