feat: add workflows/03-github-flow

Author: Aymin Jafari

github-flow.md

@@ -0,0 +1,23 @@
+# GitHub Flow
+
+GitHub Flow is a lightweight workflow for continuous delivery.
+
+## Steps
+1. Create a branch for each feature or fix.
+2. Make changes and commit:
+```bash
+git add .
+git commit -m "Add login feature"
+```
+3. Push the branch:
+```bash
+git push origin feature-login
+```
+4. Open a pull request (PR) for review.
+
+5. Merge the PR and deploy.
+
+## Explanation
+- Focuses on continuous integration and delivery.
+
+- Simplifies the workflow for small teams.