Fixed spelling of availible

Sorry about all the small changes across lots of files, I think it would be best to fix this though to avoid potential future confusion.

mealie/routes/backup_routes.py

@@ -7,8 +7,8 @@ from utils.snackbar import SnackResponse
 router = APIRouter()
 
 
-@router.get("/api/backups/avaiable/", tags=["Import / Export"])
-async def avaiable_imports():
+@router.get("/api/backups/available/", tags=["Import / Export"])
+async def available_imports():
     """ Returns this weeks meal plan """
     imports = []
     templates = []

mealie/routes/meal_routes.py

@@ -9,7 +9,7 @@ router = APIRouter()
 
 @router.get("/api/meal-plan/all/", tags=["Meal Plan"])
 async def get_all_meals():
-    """ Returns a list of all avaiable meal plans """
+    """ Returns a list of all available meal plans """
 
     return MealPlan.get_all()