Updates to improve templates customizations

[allyoucanmap]

This PR introduces following updates:

• centralize head tags in a new snippet (head.html) to override favicon or fonts
• introduction of two new snippets reasource_card.html and resources_grid.html to replicate the resource grid in django templates
• remove all the js logic to resize resources grid card in favor of CSS container queries. This simplify the js code and align styles between react and django templates
• include the possibility to move order button of the resource grid to the left
• featured resources in homepage will show always four cards following the same layout of resources grid
• update the authentication redirect including also the hash path when available