Fix typos (#2056)

Found via `codespell docs -S docs/content/themes -L
crate,mouvement,edn,tese,doas`

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

@@ -109,7 +109,7 @@ To use zola:
 $ flatpak run org.getzola.zola [command]
 ```
 
-To avoid having to type this everytime, an alias can be created in `~/.bashrc`:
+To avoid having to type this every time, an alias can be created in `~/.bashrc`:
 
 ```sh
 $ alias zola="flatpak run org.getzola.zola"

docs/content/documentation/templates/pages-sections.md

@@ -34,7 +34,7 @@ toc: Array<Header>,
 word_count: Number;
 // Based on https://help.medium.com/hc/en-us/articles/214991667-Read-time
 reading_time: Number;
-// earlier / ligher
+// earlier / lighter
 lower: Page?;
 // later / heavier
 higher: Page?;