Updating the git page

This page might seem slightly big for a project called tl;dr, but git
has tons of commonly used options and I've kept all descriptions as
short but meaningful as possible (within 80 characters)

common/git.md

@@ -2,6 +2,78 @@
 
 > Main command for all `git` commands
 
+- Create a new local repository
+
+`git init`
+
+- Show changed files which are not yet added for commit
+
+`git status`
+
+- Show changes to tracked files
+
+`git diff`
+
+- Add all current changes to the next commit
+
+`git add .`
+
+- Commit staged files to the repository with comment
+
+`git commit -am "Commit message"`
+
+- Replace the last commit with currently staged changes
+
+`git commit --amend`
+
+- Show all commits
+
+`git log`
+
+- Show what revision and author last modified each line of a file
+
+`git blame {{file}}`
+
+- Clone an existing repository
+
+`git clone {{remote-repository-location}}`
+
+- List all existing branches
+
+`git branch`
+
+- Create new branch based on current branch
+
+`git branch {{new-branch}}`
+
+- Switch to another branch
+
+`git checkout {{another-branch}}`
+
+- Delete a local branch
+
+`git branch -d {{branch-name}}`
+
+- Download repository from remote location and merge with current local branch
+
+`git pull {{remote-repository}} {{local-branch}}`
+
+- Publish local changes on a remote location
+
+`git push {{remote-repository}} {{local-branch}}`
+
+- Merge a branch with your current HEAD branch
+
+`git merge {{branch-name}}`
+
+- Reset current HEAD to the previous commit and preserve all unstaged changes
+
+`git reset {{commit}}`
+
+- Discard all local uncommitted changes
+
+`git reset --hard HEAD`
+
 - Checking git version
 
 `git --version`