Job exection logic now runs pipeline in container

This container's network is configured based on parameters in the config
file. If configured correctly, this will allow the pipeline script to
speak to the cursorius server over the pipeline api.

docker/docker-compose.yml

@@ -11,3 +11,8 @@ services:
       - "../server.toml:/root/.config/cursorius/server.toml"
       - "/var/run/docker.sock:/var/run/docker.sock"
       - "../_working/go:/go"
+      - "../_working/jobs:/cursorius/jobs"
+
+networks:
+  cursorius:
+    external: true