refactored app structure

requirements.txt

@@ -1,6 +1,8 @@
+alembic==1.7.7
 asgiref==3.5.0
 attrs==21.4.0
 beautifulsoup4==4.10.0
+blinker==1.4
 bs4==0.0.1
 certifi==2021.10.8
 charset-normalizer==2.0.12
@@ -10,11 +12,18 @@ coverage==6.3.2
 distlib==0.3.4
 filelock==3.6.0
 Flask==2.1.1
+Flask-Mail==0.9.1
+Flask-Migrate==3.1.0
+Flask-Moment==1.0.2
+Flask-SQLAlchemy==2.5.1
+Flask-WTF==1.0.1
+greenlet==1.1.2
 idna==3.3
 importlib-metadata==4.11.3
 iniconfig==1.1.1
 itsdangerous==2.1.2
 Jinja2==3.1.1
+Mako==1.2.0
 MarkupSafe==2.1.1
 packaging==21.3
 platformdirs==2.5.1
@@ -25,10 +34,12 @@ pytest==7.1.0
 requests==2.27.1
 six==1.16.0
 soupsieve==2.3.1
+SQLAlchemy==1.4.34
 toml==0.10.2
 tomli==2.0.1
 tox==3.24.5
 urllib3==1.26.8
 virtualenv==20.14.0
 Werkzeug==2.1.0
+WTForms==3.0.1
 zipp==3.7.0