added git md file

md/git.md

@@ -0,0 +1,43 @@
+Git
+===
+
+To create a repo
+----------------
+
+on gogs
+
+1.  git config --global user.name "<gogsusername>@whatever"
+2.  create repo in gogs
+
+on computer
+
+1.  apt install git
+2.  git clone repo
+3.  touch README.md
+4.  git add -A
+5.  git commit -m "first commit"
+6.  git push origin master
+
+To collaborate on an existing repo
+----------------------------------
+
+1.  Be added as a collaborator
+2.  git clone <repo address (from gogs)>
+3.  `git checkout -b <branchname>`
+    -   `-b` yocreates a new branch if one doesn't exist
+    -   you can name branch anything, start w/ your gogs name
+
+4.  make changes
+
+To push up your changes
+-----------------------
+
+1.  `git checkout master`
+2.  `git pull origin master`
+3.  `git checkout <branchname>`
+4.  `git merge master`
+5.  `git add -A`
+6.  \~git commit -m "concise explanation of what I did"\~
+7.  `git push origin <yourname>`
+8.  submit a pull request
+