Customize wallet - V2

[stvgreen1]

Name: Customize wallet
Description: As a logged-in wallet admin user, I want to be able to customize the current wallet and sub wallets created.

Acceptance Criteria:
The wallet name should be displayed at the top of the page
There should be an editable wallet description “About the wallet” field that the user can modify including a markup editor (suggesting https://stackedit.io/app#).
There should be a save button near the wallet “About the wallet” field. When the user clicks it the “About the wallet” info is saved. (About is a new field linked to the wallet)
There should be the possibility to upload a logo image (should be png) for the wallet by browsing and selecting from a local pc folder.
The image is saved automatically when uploaded.
(needs a dedicated FTP location for that) (restricting the size to 1MB. The logo needs to be square or round. Max 1MB. (Size: 300px by 300px) is enough. Example wallet: https://map.treetracker.org/wallets/replant.world
There should be the possibility to upload a hero image for the wallet by browsing and selecting an image (jpeg or png) from your local folder. The image is saved automatically when uploaded. (restricting to 3MB). Dimensions 1680px by 660px.
The About wallet info is displayed at the appropriate place on the home page
The Logo image is displayed on the home page at the appropriate place.
The Cover image (or hero image) is displayed at the appropriate place on the web map
Currently the call is made through https://prod-k8s.treetracker.org/map_config/config

Link to user stories document: https://docs.google.com/document/d/1IF4fe4_BC319aoBKBW5LV2pypyDTy4K8qe1qqHexQ1Y/edit#heading=h.b57wy8cd5ys7