Merge pull request 'git-config' (#8) from saraf/dev-tools:git-config into main

Reviewed-on: https://codeberg.org/mo8it/dev-tools/pulls/8

src/day_3/notes.md

@@ -4,6 +4,18 @@ The participants of the course will add a description to each of these Git subco
 
 ## git config
 
+Configure user-specific information like name, email etc. An example for setting the email is
+
+```bash
+git config --global user.email you@gotthis.com
+```
+
+An example for setting the username would be
+
+```bash
+git config --global user.name "Wonderful-Person"
+```
+
 ## git init
 
 ## git clone