Move wisski instance code to separate package

internal/wisski/instances/reserve/docker-compose.yml

@@ -0,0 +1,27 @@
+version: "3.7"
+
+services:
+  static:
+    image: tkw01536/gostatic
+    restart: always
+    ports:
+      - 8043
+    
+    labels:
+      - "traefik.enable=True"
+      - "eu.wiss-ki.barrel.distillery=${DOCKER_NETWORK_NAME}"
+
+      - "traefik.http.routers.reserve_${SLUG}.rule=Host(`${VIRTUAL_HOST}`)"
+      - "traefik.http.routers.reserve_${SLUG}.tls=${HTTPS_ENABLED}"
+      - "traefik.http.routers.reserve_${SLUG}.tls.certresolver=distillery"
+      - "traefik.http.services.reserve_${SLUG}.loadbalancer.server.port=8043"
+
+    
+    # volumes that are mounted
+    volumes:
+      - ./index.html:/srv/http/index.html:ro
+
+networks:
+  default:
+    name: ${DOCKER_NETWORK_NAME}
+    external: true