feat: add selectable icon styles

crates/app/src/domain.rs

@@ -3,6 +3,35 @@ use std::collections::BTreeSet;
 use gotcha_gitea::models;
 use serde::{Deserialize, Serialize};
 
+#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
+#[serde(rename_all = "lowercase")]
+pub enum IconStyle {
+    Duotone,
+    Bold,
+    #[default]
+    #[serde(other)]
+    Outline,
+}
+
+impl IconStyle {
+    pub fn index(self) -> i32 {
+        match self {
+            Self::Outline => 0,
+            Self::Duotone => 1,
+            Self::Bold => 2,
+        }
+    }
+
+    pub fn from_index(index: i32) -> Option<Self> {
+        match index {
+            0 => Some(Self::Outline),
+            1 => Some(Self::Duotone),
+            2 => Some(Self::Bold),
+            _ => None,
+        }
+    }
+}
+
 #[derive(Clone, Deserialize, Serialize)]
 pub struct Server {
     pub name: String,
@@ -23,6 +52,8 @@ pub struct Preferences {
     pub issue_status: String,
     #[serde(default = "open_status")]
     pub pull_status: String,
+    #[serde(default)]
+    pub icon_style: IconStyle,
 }
 
 impl Default for Preferences {
@@ -33,6 +64,7 @@ impl Default for Preferences {
             last_server: None,
             issue_status: open_status(),
             pull_status: open_status(),
+            icon_style: IconStyle::default(),
         }
     }
 }