Add basic HTML for tabs in sightings_page template
Add JS tabs behaviour in sightings page
Some style cleaning in sightings page tabs
Drop placeholders from sightings_page template
Fix typo in AJAXSightingListMixin response
Draw markers in sightings page map
Add sightings filter form
Add sightings filter form JS logic, use datepicker in date fields
Refactor sightings form filter logic and send filtered request to backend service
Add filter logic per jellyfishes type in sightings page
Use a django form to handle sightings filter form
Load sights filter form with a month date range and correct formats
Render map sightings on loading sightings page using sightings filter form fields
Validate from date higher than to date in sight filter form
Create thumbnail for sighting on saving
Add image_url to sightins rendering view
Render sigthings list using JS and a table in sightings page template