feat: initialize market app with browsing, product, and scraping code

Split from coop monolith. Includes:
- Market/browse/product blueprints
- Product sync API
- Suma scraping pipeline
- Templates for market, browse, and product views
- Dockerfile and CI workflow for independent deployment

app.py

@@ -0,0 +1,54 @@
+from __future__ import annotations
+
+from quart import g
+
+from shared.factory import create_base_app
+from config import config
+
+from suma_browser.app.bp import register_market_bp
+
+
+async def market_context() -> dict:
+    """
+    Market app context processor.
+
+    - menu_items: fetched from coop internal API
+    - cart_count/cart_total: fetched from cart internal API
+    """
+    from shared.context import base_context
+    from shared.internal_api import get as api_get, dictobj
+
+    ctx = await base_context()
+
+    # Menu items from coop API (wrapped for attribute access in templates)
+    menu_data = await api_get("coop", "/internal/menu-items")
+    ctx["menu_items"] = dictobj(menu_data) if menu_data else []
+
+    # Cart data from cart API
+    cart_data = await api_get("cart", "/internal/cart/summary", forward_session=True)
+    if cart_data:
+        ctx["cart_count"] = cart_data.get("count", 0)
+        ctx["cart_total"] = cart_data.get("total", 0)
+    else:
+        ctx["cart_count"] = 0
+        ctx["cart_total"] = 0
+
+    return ctx
+
+
+def create_app() -> "Quart":
+    app = create_base_app("market", context_fn=market_context)
+
+    # Market blueprint at root (was /market in monolith)
+    app.register_blueprint(
+        register_market_bp(
+            url_prefix="/",
+            title=config()["coop_title"],
+        ),
+        url_prefix="/",
+    )
+
+    return app
+
+
+app = create_app()