Real engineer maintains own parts library. Here are my KiCad libraries:
Eeschema libraries are under library (depreated)
Schematic symbols are under symbols
PCB modules and optional 3d modules are under modules
Refer to the following picture for environment variable configuration
Some symbols/footprints are adopted from manufacture or online resources, incompletely listed below:
KiCad library districuted with KiCad installer Espressif parts: https://github.com/espressif/kicad-libraries Converted JLCPCB library: https://github.com/xtoolbox/lc_kicad_lib