gitignore: ignore build and image output artifacts

Add patterns for disk images, archives, and packages generated by setup scripts.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -23,6 +23,25 @@ yazi/*.toml-*
 # Generated files
 readme.html
 
+# Build/image output artifacts
+*.iso
+*.img
+*.tar
+*.tar.gz
+*.tar.bz2
+*.tar.xz
+*.tar.zst
+*.zip
+*.7z
+*.squashfs
+*.qcow2
+*.vmdk
+*.ova
+*.vhd
+*.vhdx
+*.deb
+*.rpm
+
 # Logs
 **/*.log