[GIT]1. init, add, commit, log, status

/**
            LEVEL ONE:
            
    In this level, you will learn follow things:
    1. How to point which project folder you want GIT to work on! -- git init
    2. How to check what change has been made since last commint  -- git status
    3. How to add files to stage                                  -- git add <filename>
    4. Different ways to add files
    5. How to commit files                                        -- git commit -m "What change you have made"
    6. How to check history                                          -- git log

*/
/**Setting up GIT**/
git config --global user.name "Zhentian Wan"
git config --global user.email answer881215@gmail.com
get config --global color.ui true                                //prettry command line color


/**Starting a REPO**/
mkdir store
cd store
git init                                                           //initialized empty Git repository in /Users/Answer1215/Documents/GitHub/store/.git
                                                                 //This tell the Git, now my project is under this folder!!

/**Git work flow**/
1. Jane creates README.txt file
2. Add file to staging area, getting ready to take a picture
3. Commit changes, A snapshot of those on the stage
4. Jane modifies README.txt file & adds LICENSE
5. ADD both files to staging area
6. Commit changes

/********
$ git status                                                      // check what's changed since last commit
$ git add README.txt                                              // add file to staging area, the file should be tracked
$ git commit -m "Create a README."                                // Commit message what work was done?
                                                                  // This file will be added to the timeline(MASTER)
$ git status                                                      // After commit, check status, you will find no new or modified files since last coomit

/**If you wants to add more files using**/
$ git add --all
$ git add *.txt                                                   // add all txt files in current directory
$ git add docs/*.txt                                              // add all txt files in docs directory
$ git add docs/                                                   // add all files in docs directory
$ git add "*.txt"                                                  // add entire .txt files in the all project


/**Check history**/
$ git log