Added requirements.txt

requirements.txt

+alembic==0.9.9
+click==6.7
+dominate==2.3.1
+Flask==1.0.2
+Flask-Bootstrap==3.3.7.1
+Flask-Login==0.4.1
+Flask-Migrate==2.1.1
+Flask-SQLAlchemy==2.3.2
+Flask-WTF==0.14.2
+itsdangerous==0.24
+Jinja2==2.10
+Mako==1.0.7
+MarkupSafe==1.0
+MySQL-python==1.2.5
+python-dateutil==2.7.3
+python-editor==1.0.3
+six==1.11.0
+SQLAlchemy==1.2.7
+visitor==0.1.3
+Werkzeug==0.14.1
+WTForms==2.1