[EPIC] Initial setup of WorkspaceKind templates

[ederign]

Description

Joel, the Cluster Admin, needs to quickly populate his Notebooks 2.0 installation by uploading or fetching WorkspaceKind YAML definitions and easily customizing basic metadata (display name, description, icon). This allows him to efficiently set up the initial templates without manually configuring each one.

Features

1. [FEATURE] Upload a YAML file containing a full new WorkspaceKind definition #288

2. [FEATURE] Fetch WorkspaceKinds from a git repository with samples #289

3. [FEATURE] Update WorkspaceKind basic metadata like display name, description, and icon (including image upload upload) #290

[ederign]

/milestone v2.0.0-alpha.0

[ederign]

/area v2

[ederign]

/area frontend