fix compilation error

Material inspector

Implement material in immediate_mode

Implement Material as Shader instances

Refactored Shader code, removed MaterialDef concept, introduce Material and Shader as Resource

Remove the idea of equivalent material

area computation

add string inspector

Add variant type and a mix shader to test dynamically passing parameter to shaders

commit workspace

Test to improve custom params and shader handling

FIxup shader params block

Move inspector thing into it's own file, add vector and quaternion inspectors.

Add data inspector

Merge branch 'master' of https://github.com/Sharundaar/HotLoading