Update page 'Home'

Home.md

@@ -4,6 +4,7 @@ Tools you should have ready:
 * [Visual Studio Code](https://code.visualstudio.com/)
 * [VSC Python extension](https://marketplace.visualstudio.com/items?itemName=ms-python.python)
 * [git](https://git-scm.com/)
+  * `git config pull.rebase true`
 * Your gtsplab.com email address
 * A github account signed up with that gtsplab.com address
 * Your GOGS account
@@ -13,6 +14,8 @@ Windows users must use Powershell for command-line tasks.  MacOS users can use T
 Troubleshooting:
 
 * `SSL certificate problem: unable to get local issuer certificate`: if you're on Windows, you're using curl for crypto instead of the built-in Windows SChannel crypto backend.  Type this to fix it: `git config --global http.sslbackend schannel`
+* If you're on MacOS, you have to log in to GOGS via Safari at least once and save your username and password so it gets stored in your user keychain.  The MacOS default git client knows how to get your password out of the keychain to log you in.
+
 
 Day 1-2 reading: