Track src modules; stop ignoring .odin files

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/themes/themes.odin

@@ -0,0 +1,40 @@
+package themes
+
+import raylib "vendor:raylib"
+
+SCREEN_WIDTH: i32 = 1280
+SCREEN_HEIGHT: i32 = 720
+
+JAPAN_PRIMARY: raylib.Color = raylib.Color{230, 57, 70, 255}
+JAPAN_ACCENT: raylib.Color = raylib.Color{253, 184, 190, 255}
+JAPAN_BACKGROUND: raylib.Color = raylib.Color{250, 245, 245, 255}
+KOREA_PRIMARY: raylib.Color = raylib.Color{0, 71, 160, 255}
+KOREA_ACCENT: raylib.Color = raylib.Color{180, 180, 255, 255}
+KOREA_BACKGROUND: raylib.Color = raylib.Color{245, 248, 255, 255}
+THAI_PRIMARY: raylib.Color = raylib.Color{165, 25, 49, 255}
+THAI_ACCENT: raylib.Color = raylib.Color{255, 180, 200, 255}
+THAI_BACKGROUND: raylib.Color = raylib.Color{255, 245, 248, 255}
+WHITE: raylib.Color = raylib.Color{255, 255, 255, 255}
+BLACK: raylib.Color = raylib.Color{0, 0, 0, 255}
+DARK_GRAY: raylib.Color = raylib.Color{64, 64, 64, 255}
+LIGHT_GRAY: raylib.Color = raylib.Color{200, 200, 200, 255}
+CARD_BACK_COLOR: raylib.Color = raylib.Color{40, 40, 50, 255}
+
+BUTTON_WIDTH: i32 = 240
+BUTTON_HEIGHT: i32 = 60
+TITLE_FONT_SIZE: i32 = 72
+SUBTITLE_FONT_SIZE: i32 = 24
+BUTTON_FONT_SIZE: i32 = 24
+
+CARD_WIDTH: i32 = 100
+CARD_HEIGHT: i32 = 140
+CARD_SPACING: i32 = 15
+GRID_ROWS: i32 = 4
+GRID_COLS: i32 = 6
+FLIP_DELAY: f32 = 1.0
+
+MAIN_MENU: i32 = 0
+JAPANESE_SCREEN: i32 = 1
+JAPANESE_MEMORY: i32 = 2
+KOREAN_SCREEN: i32 = 3
+THAI_SCREEN: i32 = 4