refactored app structure

app/main/forms.py

@@ -0,0 +1,9 @@
+from flask_wtf import FlaskForm
+from wtforms import StringField, BooleanField, SubmitField
+from wtforms.validators import DataRequired
+
+
+class DownloadForm(FlaskForm):
+    url = StringField('Comic URL', validators=[DataRequired()])
+    series = BooleanField('Series? ')
+    download = SubmitField('Download')