Add client dir, move .git from server to parent dir

docker-compose.yml

@@ -0,0 +1,33 @@
+version: "3.5"
+
+services:
+  server:
+    build: ./server
+    networks:
+     - web
+     - internal
+    environment:
+      POSTGRES_PASSWORD_FILE: /run/secrets/postgres-password
+      POSTGRES_USER: kalkulog
+      POSTGRES_DB: kalkulog
+      POSTGRES_HOST: database
+    secrets: [ postgres-password ]
+    depends_on: [ database ]
+  database:
+    image: postgres
+    environment:
+      POSTGRES_PASSWORD_FILE: /run/secrets/postgres-password
+      POSTGRES_USER: kalkulog
+      POSTGRES_DB: kalkulog
+    secrets: [ postgres-password ]
+    networks: [ internal ]
+
+secrets:
+  postgres-password:
+    file: ./server/postgres.pw
+
+networks:
+  internal:
+    internal: true
+  web:
+    external: true