includes : 
- cpp file containing the code to read from bitmap image and then store it to display, using sdl2 library
- images
- readme file explaining the theory

* Update Makefile to remove redundant "SDL2_image" linker flag
* Add proper implementation of SDL2 library to display correct
  size of image

* This commit resolves the bug wherein image was displayed inverted.
* Two seperate struct "BitMapFileHeader" and "BitMapInfoHeader" is
  created to store the file type data and image information data.
* README.md has been modified to include more info about the different
  blocks in the bitmap image namely file data type, image information
  data , color pallete and raw raster data.

Changes made :
- Removed the unnecessary linebreak wherever required.
- Seperated types of images from "some important terminologies" topic

- Added proper path to asset images
- added correct command for run without make