feat: add all Draw.io themes to settings panel (#499)

lib/drawio-themes.ts

@@ -0,0 +1,12 @@
+// Draw.io UI themes configuration
+export type DrawioTheme = "kennedy" | "simple" | "min" | "sketch" | "atlas"
+
+export const DRAWIO_THEMES: DrawioTheme[] = [
+    "kennedy",
+    "simple",
+    "min",
+    "sketch",
+    "atlas",
+]
+
+export const DEFAULT_DRAWIO_THEME: DrawioTheme = "min"

lib/i18n/dictionaries/en.json

@@ -94,10 +94,14 @@
         "theme": "Theme",
         "themeDescription": "Dark/Light mode for interface and DrawIO canvas.",
         "drawioStyle": "DrawIO Style",
-        "drawioStyleDescription": "Canvas style:",
-        "switchTo": "Switch to",
-        "minimal": "Minimal",
-        "sketch": "Sketch",
+        "drawioStyleDescription": "Choose canvas UI theme.",
+        "themes": {
+            "classic": "Classic",
+            "simple": "Simple",
+            "minimal": "Minimal",
+            "sketch": "Sketch",
+            "atlas": "Atlas"
+        },
         "closeProtection": "Close Protection",
         "closeProtectionDescription": "Show confirmation when leaving the page.",
         "diagramStyle": "Diagram Style",

lib/i18n/dictionaries/ja.json

@@ -94,10 +94,14 @@
         "theme": "テーマ",
         "themeDescription": "インターフェースと DrawIO キャンバスのダーク/ライトモード。",
         "drawioStyle": "DrawIO スタイル",
-        "drawioStyleDescription": "キャンバススタイル：",
-        "switchTo": "切り替え",
-        "minimal": "ミニマル",
-        "sketch": "スケッチ",
+        "drawioStyleDescription": "キャンバスUIテーマを選択。",
+        "themes": {
+            "classic": "クラシック",
+            "simple": "シンプル",
+            "minimal": "ミニマル",
+            "sketch": "スケッチ",
+            "atlas": "アトラス"
+        },
         "closeProtection": "ページ離脱確認",
         "closeProtectionDescription": "ページを離れる際に確認を表示します。",
         "diagramStyle": "ダイアグラムスタイル",

lib/i18n/dictionaries/zh.json

@@ -94,10 +94,14 @@
         "theme": "主题",
         "themeDescription": "界面和 DrawIO 画布的深色/浅色模式。",
         "drawioStyle": "DrawIO 样式",
-        "drawioStyleDescription": "画布样式：",
-        "switchTo": "切换到",
-        "minimal": "简约",
-        "sketch": "草图",
+        "drawioStyleDescription": "选择画布 UI 主题。",
+        "themes": {
+            "classic": "经典",
+            "simple": "简易",
+            "minimal": "极简",
+            "sketch": "草图",
+            "atlas": "现代"
+        },
         "closeProtection": "关闭确认",
         "closeProtectionDescription": "离开页面时显示确认。",
         "diagramStyle": "图表样式",