feat(src/djinit/templates/project): add optional Tailwind, HTMX, and database URL dependenciesAdd conditional dependencies for Tailwind, HTMX, and database URL in pyproject.toml template; update dockerignore to include staticfiles; fix Dockerfile CMD newline handling.

Details:
- New Features: Conditional Tailwind, HTMX, and database URL dependencies
- Enhancements: Updated dockerignore to include staticfiles
- Bug Fixes: Fixed Dockerfile CMD newline handling

src/djinit/templates/project/pyproject.toml-tpl

@@ -20,6 +20,12 @@ dependencies = [
 # @IF database_type == 'postgresql'
     "psycopg[binary]",
 # @ENDIF
+# @IF use_tailwind
+    "django-tailwind-cli",
+# @ENDIF
+# @IF use_htmx
+    "django-htmx",
+# @ENDIF
 # @IF use_database_url
     "dj-database-url",
 # @ENDIF