added connection status macro and background task scheduling

requirements.txt

@@ -1,4 +1,5 @@
 alembic==1.7.7
+APScheduler==3.9.1
 asgiref==3.5.0
 attrs==21.4.0
 beautifulsoup4==4.10.0
@@ -34,6 +35,8 @@ pluggy==1.0.0
 py==1.11.0
 pyparsing==3.0.7
 pytest==7.1.0
+pytz==2022.1
+pytz-deprecation-shim==0.1.0.post0
 requests==2.27.1
 six==1.16.0
 soupsieve==2.3.1
@@ -41,6 +44,8 @@ SQLAlchemy==1.4.34
 toml==0.10.2
 tomli==2.0.1
 tox==3.24.5
+tzdata==2022.1
+tzlocal==4.2
 urllib3==1.26.8
 virtualenv==20.14.0
 Werkzeug==2.1.0