metamigo-api: runs in docker now

* great typescript module import refactor
* refactor metamigo-cli so it is the entrypoint for the db, api, and
  worker

docker-compose.yml

@@ -181,7 +181,7 @@ services:
   metamigo-api:
     build:
       context: .
-      dockerfile: ./apps/metamigo-api/Dockerfile
+      dockerfile: ./apps/metamigo-cli/Dockerfile
     container_name: metamigo-api
     restart: ${RESTART}
     command: [ "api" ]
@@ -189,7 +189,7 @@ services:
       - 127.0.0.1:8004:3001
     environment: *common-metamigo-variables
     volumes:
-      - ./signald:/signald
+      - ./signald-state:/signald
     depends_on:
       - metamigo-postgresql
       - signald
@@ -221,7 +221,7 @@ services:
     restart: ${RESTART}
     user: ${CURRENT_UID}
     volumes:
-      - ../signald:/signald
+      - ./signald-state:/signald
     environment:
        <<: *common-global-variables