feat(dev-templates): add compose file to build and run locally

development-templates/custom.yml

+version: '3'
+
+services:
+  backend:
+    build:
+      context: .
+    environment:
+      - DOCKER_HOST=unix:///var/run/docker.sock
+    container_name: modocot-devel-backend
+    ports:
+      - 127.0.0.1:8080:8080
+    volumes:
+      - '/var/run/docker.sock:/var/run/docker.sock'
+      - '/tmp/modocot-tests:/tmp/modocot-tests'