2-update README.md with Installation and Git instructions.

[udaycruise2903]

Update Readme.md with

• Installation
• working with Git
• working with markdown

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Installation

1. Install Visual Studio Code

2. Install Git

   • open CMD in windows start menu and type
     $ git config --global user.name "username provided in github(Altaf-hub)"
$ git config --global user.email "email provided in github"

3. Follow this tutorial to install Jekyll

   • Download Ruby+Devkit from Ruby Installer
   • Run the ridk install step on the last stage of the installation wizard.
   • From the options choose 3 for MSYS2 and MINGW development tool chain
   • open CMD in start menu and type gem install jekyll bundler
   • type jekyll -v in terminal to check if jekyll is installed

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Working with Git

• To clone this repository
  git clone https://github.com/Altaf-hub/Altaf-hub.github.io.git
• To fetch all the changes in your github repo
  git fetch
• To list all branches
  git branch -r
• To jump to a branch of your choice(1-update)
  git checkout 1-update
• To download the changes to current branch in local repo from the same branch in github repo
  git pull
• To check the changes
  git status
• To add all the changes or to add these files ( README.md, index.html ) to a branch
  git add . or git add README.md index.html
• To commit all the changes to a branch
  git commit -m "I have added README"
  add the comments inside apostrophes
• To push all the changes to online github repo from local repo
  git push origin 1-update
• Refer this nice article by Gitlab
• Refer this [article by freecodecamp for more clarity] (https://www.freecodecamp.org/news/git-cheat-sheet/)

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Working with Markdown

• Refer to this cheatsheet
• For comprehensive understanding, refer to this article from Github