Merge pull request #610 from leoschwarz/master

Revert "Update snap installation instructions"

docs/content/documentation/getting-started/installation.md

@@ -27,7 +27,7 @@ $ yay -S zola-bin
 Zola is available on snapcraft:
 
 ```bash
-$ snap install --edge --classic zola
+$ snap install --edge zola
 ```
 
 ## Windows