Heya! Thanks for taking the time to make a suggestion post.
Suggestions should feature one idea per topic creation, this is so The Hive as well as the users can clearly understand what is being suggested, as well as what they are voting for. I would recommend giving this post a thorough read which outlines some key guidelines.
Forum users can create suggestions categorised within #suggestions for features or changes they wish for in relation to updates on The Hive or their own ideas. These posts allow users to vote for suggestions they would like implemented and in-order for The Hive collect an idea of how popular a suggestion may be. We also have in-game surveys for the same purpose, these can be learnt about in greater detail here.
On the note of community map creation, unfortunately The Hive does not use community maps. This is due to a multitude of reasons, such as copyright and licensing. All maps on The Hive Bedrock Edition are built by the Hive Build Team, The Hives in-house build team.