fix mypy for extensions (#873)

* explicitly exclude all extensions from mypy

* fix example extension mypy

* fix subdomains extension mypy + 1 type error fixed

* fix mypy discordbot

* mypy check copilot extensnion

* copilot black

* add invoices ext to ignore

* add boltz and boltcard

* copilit id is necessary

* was discordbot is ok

Co-authored-by: dni <dni.khr@gmail.com>

lnbits/extensions/example/views.py

@@ -12,7 +12,10 @@ templates = Jinja2Templates(directory="templates")
 
 
 @example_ext.get("/", response_class=HTMLResponse)
-async def index(request: Request, user: User = Depends(check_user_exists)):
+async def index(
+    request: Request,
+    user: User = Depends(check_user_exists),  # type: ignore
+):
     return example_renderer().TemplateResponse(
         "example/index.html", {"request": request, "user": user.dict()}
     )