Add normal map support to Phong Render

[Jaysmito101]

It already has texture setup and loading and passing as uniforms just need to update shader.

[Bharadwajshivam28]

@Jaysmito101 Assign this to me sir i can solve it

[Jaysmito101]

@Bharadwajshivam28 if you are interested in working create a relevant pull request . I will assign after that.

[Bharadwajshivam28]

ok sir @Jaysmito101