feat(theme): add Definitions.icons to EZA_ICONS string

Signed-off-by: Sandro-Alessio Gierens <sandro@gierens.de>

src/options/theme.rs

@@ -55,7 +55,10 @@ impl Definitions {
         let exa = vars
             .get_with_fallback(vars::EZA_COLORS, vars::EXA_COLORS)
             .map(|e| e.to_string_lossy().to_string());
-        Self { ls, exa }
+        let icons = vars
+            .get(vars::EZA_ICONS)
+            .map(|e| e.to_string_lossy().to_string());
+        Self { ls, exa, icons }
     }
 }
 

src/theme/mod.rs

@@ -46,6 +46,7 @@ pub enum UseColours {
 pub struct Definitions {
     pub ls: Option<String>,
     pub exa: Option<String>,
+    pub icons: Option<String>,
 }
 
 pub struct Theme {