Add bash script assignment

[rakeshtembhurne]

Add bash script assignment code into the repository. Use folder structure like below. Also from now onwards always use reference to the issue number. Send a pull request when done.

├── assignment-1-bash-scripts
│   ├── Octave.md
│   ├── README.md
│   ├── Settings.md
│   ├── araxis-merge.jpg
│   ├── beyond-compare.png
│   ├── delta-walker.jpg
│   ├── filemerge.png
│   └── kaleidoscope.png
├── assignment-2-xxx-xxx
│   └── README.md
├── assignment-3-xxx-xxx
│   └── README.md
├── assignment-4-xxxx
│   ├── README.md
│   └── gitignore.md
└── assignment-5-yyy
    └── README.md

[pareshpetpulliwar]

Added Folders in repo