share charts for uniweb and district pages

district/blocks.py

...ations/0104_alter_districtarticlepage_content_and_more.py

district/models.py

district/templates/district/blocks/chart.html

district/templates/district/district_article_page.html

district/templates/district/district_center_page.html

district/templates/district/district_crossroad_page.html

district/templates/district/district_custom_page.html

...t/templates/district/district_election_campaign_page.html

...ct/templates/district/district_election_program_page.html

...plates/district/district_geo_feature_collection_page.html

.../templates/district/district_geo_feature_detail_page.html

main/feeds.py

shared/blocks.py

shared/static/shared/vendor/chart.js/chart.umd.4.2.0.js

shared/static/shared/vendor/chart.js/chart.umd.js.map

shared/templates/shared/chart_script_snippet.html

...rations/0034_alter_uniwebflexiblepage_content_and_more.py

uniweb/migrations/0036_merge_20230204_0315.py

...rations/0037_alter_uniwebflexiblepage_content_and_more.py