move piccolo_admin to ROUTER_DEPENDENCIES

We don't use it for `esmerald` so don't include it by default for all routers.

piccolo/apps/asgi/commands/new.py

@@ -10,10 +10,18 @@
 
 TEMPLATE_DIR = os.path.join(os.path.dirname(__file__), "templates/app/")
 SERVERS = ["uvicorn", "Hypercorn"]
-ROUTERS = ["starlette", "fastapi", "blacksheep", "litestar", "esmerald"]
+ADMIN_DEPENDENCIES = ["piccolo_admin>=1.0.0"]
 ROUTER_DEPENDENCIES = {
-    "fastapi": ["fastapi>=0.100.0"],
+    "starlette": ["starlette", *ADMIN_DEPENDENCIES],
+    "fastapi": ["fastapi>=0.100.0", *ADMIN_DEPENDENCIES],
+    "blacksheep": ["blacksheep", *ADMIN_DEPENDENCIES],
+    "litestar": ["litestar", *ADMIN_DEPENDENCIES],
+    # We don't currently use Piccolo Admin with esmerald, due to dependency
+    # conflicts with FastAPI. We'll revisit this at some point in the future
+    # when newer versions of FastAPI are released (DT - 12th December 2023).
+    "esmerald": ["esmerald"],
 }
+ROUTERS = list(ROUTER_DEPENDENCIES.keys())
 
 
 def print_instruction(message: str):

piccolo/apps/asgi/commands/templates/app/requirements.txt.jinja

@@ -2,5 +2,4 @@
 {{ router_dependency }}
 {% endfor -%}
 {{ server }}
-piccolo[postgres]
-piccolo_admin
+piccolo[postgres]>=1.0.0