feat: improve on api structure, add openapi tags (#2295)

this logically groups api endpoints and gioves them specific openapi tags. which makes them nice on the `/docs` endpoint and makes the `api.py` more approachable
* add wallets list endpoint
* remove trailing slashes from endpoints
* fixup topup url
* fix trailing slash on auth
* backwards compatibility

lnbits/core/__init__.py

@@ -1,30 +1,38 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, FastAPI
 
 from .db import core_app_extra, db
 from .views.admin_api import admin_router
 from .views.api import api_router
 from .views.auth_api import auth_router
+from .views.extension_api import extension_router
 
 # this compat is needed for usermanager extension
 from .views.generic import generic_router, update_user_extension
 from .views.node_api import node_router, public_node_router, super_node_router
+from .views.payment_api import payment_router
 from .views.public_api import public_router
 from .views.tinyurl_api import tinyurl_router
+from .views.wallet_api import wallet_router
 from .views.webpush_api import webpush_router
+from .views.websocket_api import websocket_router
 
 # backwards compatibility for extensions
 core_app = APIRouter(tags=["Core"])
 
 
-def init_core_routers(app):
+def init_core_routers(app: FastAPI):
     app.include_router(core_app)
     app.include_router(generic_router)
-    app.include_router(public_router)
-    app.include_router(api_router)
+    app.include_router(auth_router)
+    app.include_router(admin_router)
     app.include_router(node_router)
+    app.include_router(extension_router)
     app.include_router(super_node_router)
     app.include_router(public_node_router)
-    app.include_router(admin_router)
+    app.include_router(public_router)
+    app.include_router(payment_router)
+    app.include_router(wallet_router)
+    app.include_router(api_router)
+    app.include_router(websocket_router)
     app.include_router(tinyurl_router)
     app.include_router(webpush_router)
-    app.include_router(auth_router)