Add script and configure environment to install python dependencies into a project subfolder

lib/bootstrap.py

@@ -75,7 +75,7 @@ try:
         )
         app_process = Popen(
             [
-                "uvicorn",
+                "python3", "-m", "uvicorn",
                 "--host", "localhost",
                 "--port", quote(DJANGO_PORT),
                 "drinks_manager.asgi:application"

lib/env.sh

@@ -3,3 +3,4 @@
 export DJANGO_SK_ABS_FP="$(pwd)/config/secret_key.txt"
 export STATIC_FILES="$(pwd)/static/"
 export APP_VERSION="2.6"
+export PYTHONPATH="$(pwd)/packages/"