v0.1.1 Core node foundation

Pages

• Core foundation - BusDK UI core foundation concept map.
• Shared interfaces - BusDK UI v0.1.1 shared Go interfaces.
• Node UI concept - Dedicated BusDK UI framework concept page for Node.
• VNode reference - BusDK UI v0.1.1 virtual node reference.
• Text node - BusDK UI v0.1.1 escaped text node reference.
• Element node - BusDK UI v0.1.1 safe element node reference.
• Props reference - BusDK UI v0.1.1 deterministic props reference.
• Fragment node - BusDK UI v0.1.1 fragment node reference.
• UI render tree contract - BusDK UI Node and VNode architecture contract.
• UI node API map - BusDK UI map for versioned Node, Props, VNode, and renderer APIs.
• Core node acceptance - BusDK UI v0.1.1 implementation and verification contract.