chore: add mprocs as an alternative to bin/start

bin/mprocs.yaml

@@ -0,0 +1,18 @@
+procs:
+    celery-worker:
+        shell: 'source ./bin/celery-queues.env && python manage.py run_autoreload_celery --type=worker'
+
+    celery-beat:
+        shell: 'source ./bin/celery-queues.env && python manage.py run_autoreload_celery --type=beat'
+
+    plugin-server:
+        shell: './bin/plugin-server'
+
+    backend:
+        shell: 'python3 manage.py runserver'
+
+    frontend:
+        shell: 'export DEBUG=0 && pnpm install && pnpm start'
+
+    temporal-worker:
+        shell: 'python3 manage.py start_temporal_worker'

bin/start-mprocs

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+export DEBUG=${DEBUG:-1}
+export SKIP_SERVICE_VERSION_REQUIREMENTS=${SKIP_SERVICE_VERSION_REQUIREMENTS:-1}
+export BILLING_SERVICE_URL=${BILLING_SERVICE_URL:-https://billing.dev.posthog.dev}
+export HOG_HOOK_URL=${HOG_HOOK_URL:-http://localhost:3300/hoghook}
+
+exec mprocs --config bin/mprocs.yaml