Initial code release pathComputation backend (not integrated)

.gitignore

src/pathcomp/backend/Makefile

src/pathcomp/backend/pathComp.c

src/pathcomp/backend/pathComp.h

src/pathcomp/backend/pathComp_RESTapi.c

src/pathcomp/backend/pathComp_RESTapi.h

src/pathcomp/backend/pathComp_cjson.c

src/pathcomp/backend/pathComp_cjson.h

src/pathcomp/backend/pathComp_ksp.c

src/pathcomp/backend/pathComp_ksp.h

src/pathcomp/backend/pathComp_log.c

src/pathcomp/backend/pathComp_log.h

src/pathcomp/backend/pathComp_tools.c

src/pathcomp/backend/pathComp_tools.h

src/pathcomp/frontend/Config.py

src/pathcomp/frontend/Dockerfile

src/pathcomp/frontend/__init__.py

src/pathcomp/frontend/client/PathCompClient.py

src/pathcomp/frontend/client/__init__.py

src/pathcomp/frontend/requirements.in