* Add libphobos2-ldc-shared94 to Dockerfile-debian
* Update to dmd-2.088.0 and ldc-1.18.0 * Update documentation based on change in DMD and LDC minimum versions. Minimum DMD version now 2.088.0 and minimum LDC version now 1.18.0. * Security upgrade alpine Docker file to 3.16
* add git for docker build process
* Update Dockerfiles to use more modern base Linux distribution