feat: Add OpenScreen for directory input and validation

feat: Introduce poster rendering views with multiple engines

feat: Implement ASCII art poster renderer using PIL

feat: Create base class for poster renderers

feat: Add RichPixels renderer for high-quality terminal image display

feat: Implement Viu terminal image viewer renderer

feat: Add ProposedFilenameView for generating standardized filenames

feat: Create RenameConfirmScreen for renaming files with confirmation

feat: Implement SettingsScreen for configuring application settings

feat: Add custom PosterWidget for rendering poster images

src/formatters/track_formatter.py

@@ -0,0 +1,45 @@
+class TrackFormatter:
+    """Class to format track information into display strings"""
+
+    @staticmethod
+    def format_video_track(track: dict) -> str:
+        """Format a video track dict into a display string"""
+        codec = track.get('codec', 'unknown')
+        width = track.get('width', '?')
+        height = track.get('height', '?')
+        bitrate = track.get('bitrate') # in bps
+        bitrate_kbps = int(round(bitrate / 1024)) if bitrate else None
+        fps = track.get('fps')
+        profile = track.get('profile')
+
+        video_str = f"{codec} {width}x{height}"
+        if bitrate_kbps:
+            video_str += f" {bitrate_kbps}kbps"
+        if fps:
+            video_str += f" {fps}fps"
+        if profile:
+            video_str += f" ({profile})"
+
+        return video_str
+
+    @staticmethod
+    def format_audio_track(track: dict) -> str:
+        """Format an audio track dict into a display string"""
+        codec = track.get('codec', 'unknown')
+        channels = track.get('channels', '?')
+        lang = track.get('language', 'und')
+        bitrate = track.get('bitrate') # in bps
+        bitrate_kbps = int(round(bitrate / 1024)) if bitrate else None
+
+        audio_str = f"{codec} {channels}ch {lang}"
+        if bitrate_kbps:
+            audio_str += f" {bitrate_kbps}kbps"
+        return audio_str
+
+    @staticmethod
+    def format_subtitle_track(track: dict) -> str:
+        """Format a subtitle track dict into a display string"""
+        lang = track.get('language', 'und')
+        format = track.get('format', 'unknown')
+
+        return f"{lang} ({format})"