finish dary homepage moveable sections

donate/blocks.py

...tions/0035_remove_donatehomepage_project_body_and_more.py

...emove_donateprojectindexpage_support_position_and_more.py

...ations/0037_remove_donatehomepage_region_body_and_more.py

...te/migrations/0038_alter_donatehomepage_content_blocks.py

...ions/0039_remove_donatehomepage_custom_blocks_and_more.py

donate/models.py

donate/templates/donate/blocks/custom_content_block.html

donate/templates/donate/blocks/district_donation_block.html

donate/templates/donate/blocks/party_support_form_block.html

donate/templates/donate/blocks/project_index_block.html

donate/templates/donate/donate_home_page.html