feat: i18n (en/tr), zoom orijinal cozunurluk + max 20x + gaplessPlayback, app id com.softmediadesign.imajviewer, CI analyze+test

lib/l10n/app_en.arb

@@ -0,0 +1,15 @@
+{
+  "@@locale": "en",
+  "settingsTitle": "Settings",
+  "sortBy": "Sort by",
+  "sortByTime": "By time",
+  "sortByName": "By name",
+  "appDescription": "Ultra-lightweight and fast image viewer. Open images and use arrows or keyboard keys to navigate.",
+  "shortcuts": "Shortcuts",
+  "shortcutsList": "• Left/Right arrow — previous/next image\n• Ctrl+Q — close window\n• Ctrl+Shift+Q — close all windows\n• Double click — toggle fill/fit\n• Right-drag — contrast\n• Shift+right-drag — rotate\n• Ctrl+right-drag — saturation\n• Ctrl+Shift+right-drag — brightness",
+  "print": "Print",
+  "close": "Close",
+  "dragDropHint": "Drag images here\nor press Ctrl+O to open",
+  "dropHere": "Drop",
+  "imageLoadError": "Failed to load image"
+}