ENH: add nginx, add keycloak

Makefile

fdo-aas-adapter/Dockerfile

fdo-manager/.env

fdo-manager/docker-compose.yml

fdo-manager/fdo-manager-webui

linkahead/conf/ext/jwks/key1.json

linkahead/conf/ext/jwks/key2.json

linkahead/docker-compose.yml

nginx-keycloak/Makefile

nginx-keycloak/docker-compose.yaml

nginx-keycloak/keycloak/Dockerfile

nginx-keycloak/keycloak/dump.sql

nginx-keycloak/nginx/Dockerfile

nginx-keycloak/nginx/nginx.conf

nginx-keycloak/nginx/rotate_log.sh