chore: initial commit of Wagtail backend scaffold

requirements/base.txt

@@ -0,0 +1,7 @@
+Django>=6.0,<6.1
+wagtail>=7.4,<8.0
+djangorestframework>=3.17,<4.0
+django-cors-headers>=4.9,<5.0
+django-environ>=0.14,<1.0
+django-filter>=26.0,<27.0
+requests>=2.34,<3.0

requirements/dev.txt

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+-r base.txt
+
+django-debug-toolbar>=4.4
+pytest>=8.0
+pytest-django>=4.9
+factory-boy>=3.3

requirements/production.txt

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+-r base.txt
+
+psycopg[binary]>=3.2
+django-storages[s3]>=1.14
+gunicorn>=23.0
+sentry-sdk>=2.0