Add merge images functionality.

app/jobs/forms.py

@@ -69,7 +69,14 @@ class AddOCRJobForm(FlaskForm):
 
 
 class AddMergeImagesJobForm(FlaskForm):
+    description = StringField('Description',
+                              validators=[DataRequired(), Length(1, 255)])
+    submit = SubmitField()
+    title = StringField('Title', validators=[DataRequired(), Length(1, 32)])
     files = MultipleFileField('Files', validators=[DataRequired()])
+    version = SelectField('Version',
+                          choices=[('latest', 'Latest')],
+                          validators=[DataRequired()])
 
     def validate_files(form, field):
         for file in field.data: