Added Graphics ass. 10 and Linear Algebra ass. 3

graphics/ass10/Makefile

graphics/ass10/assigment_texture_mapping.pdf

graphics/ass10/geometry.c

graphics/ass10/geometry.h

graphics/ass10/ground.obj

graphics/ass10/house.obj

graphics/ass10/main.c

graphics/ass10/polys.c

graphics/ass10/polys.h

graphics/ass10/ppmio.c

graphics/ass10/ppmio.h

graphics/ass10/road.obj

graphics/ass10/textures/banana_leaf2.ppm

graphics/ass10/textures/grass.ppm

graphics/ass10/textures/road.ppm

graphics/ass10/textures/roof2.ppm

graphics/ass10/textures/sky.ppm

graphics/ass10/textures/wall3.ppm

graphics/ass10/textures/wood.ppm

graphics/ass10/v3math.h