feat: option to follow the system-wide light/dark mode (#71)

src/i18n/i18nKey.ts

@@ -22,6 +22,10 @@ enum I18nKey {
 
   themeColor = 'themeColor',
 
+  lightMode =  'lightMode',
+  darkMode = 'darkMode',
+  systemMode = 'systemMode',
+
   more = 'more',
 
   author = 'author',

src/i18n/languages/en.ts

@@ -25,6 +25,10 @@ export const en: Translation = {
 
   [Key.themeColor]: 'Theme Color',
 
+  [Key.lightMode]: 'Light',
+  [Key.darkMode]: 'Dark',
+  [Key.systemMode]: 'System',
+
   [Key.more]: 'More',
 
   [Key.author]: 'Author',

src/i18n/languages/ja.ts

@@ -25,6 +25,10 @@ export const ja: Translation = {
 
   [Key.themeColor]: 'テーマカラー',
 
+  [Key.lightMode]: 'ライト',
+  [Key.darkMode]: 'ダーク',
+  [Key.systemMode]: 'システム',
+
   [Key.more]: 'もっと',
 
   [Key.author]: '作者',

src/i18n/languages/zh_CN.ts

@@ -25,6 +25,10 @@ export const zh_CN: Translation = {
 
   [Key.themeColor]: '主题色',
 
+  [Key.lightMode]: '亮色',
+  [Key.darkMode]: '暗色',
+  [Key.systemMode]: '跟随系统',
+
   [Key.more]: '更多',
 
   [Key.author]: '作者',

src/i18n/languages/zh_TW.ts

@@ -25,6 +25,10 @@ export const zh_TW: Translation = {
 
   [Key.themeColor]: '主題色',
 
+  [Key.lightMode]: '亮色',
+  [Key.darkMode]: '暗色',
+  [Key.systemMode]: '跟隨系統',
+
   [Key.more]: '更多',
 
   [Key.author]: '作者',