feat: add Rx debounceTime operator

src/rx/src/Shared/Rx.lua

@@ -1705,6 +1705,34 @@ function Rx.skip<T...>(toSkip: number): Observable.Transformer<T..., T...>
 	end
 end
 
+--[=[
+        https://rxjs.dev/api/operators/debounceTime
+
+        @param seconds number
+        @return (source: Observable<T>) -> Observable<T>
+]=]
+function Rx.debounceTime(seconds)
+	assert(type(seconds) == "number", "Bad seconds")
+
+	return function(source)
+		assert(Observable.isObservable(source), "Bad observable")
+
+		return Observable.new(function(sub)
+			local maid = Maid.new()
+
+			maid:GiveTask(source:Subscribe(function(...)
+				local args = table.pack(...)
+				maid._delay = task.delay(seconds, function()
+					maid._delay = nil
+					sub:Fire(table.unpack(args, 1, args.n))
+				end)
+			end))
+
+			return maid
+		end)
+	end
+end
+
 --[=[
 	Defers the subscription and creation of the observable until the
 	actual subscription of the observable.