Refactor code structure for improved readability and maintainability

Remove debugging border from the websr plugin's styling

Enhance canvas sizing logic in artplayer-plugin-websr

- Updated canvas positioning to center it within the player.
- Introduced a new function to calculate canvas size based on the video aspect ratio.
- Adjusted canvas dimensions during initialization and on resize events to maintain aspect ratio.
- Ensured canvas styles are updated to reflect the calculated dimensions.

feat: add comparison mode to artplayer-plugin-websr

- Updated README.md to reflect new comparison feature and simplified content.
- Modified package.json to remove unnecessary keywords.
- Enhanced index.js to implement comparison functionality, allowing users to compare original and upscaled video.
- Added new methods for enabling, disabling, and toggling comparison mode, as well as setting and getting the comparison position.
- Updated TypeScript definitions to include new comparison options and methods.

packages/artplayer-plugin-websr/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "artplayer-plugin-websr",
+  "version": "1.0.0",
+  "description": "AI upscaling plugin for ArtPlayer using WebSR - real-time video super-resolution with WebGPU",
+  "author": "Harvey Zack <laozhaochaguan@gmail.com>",
+  "license": "MIT",
+  "homepage": "https://artplayer.org",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/zhw2590582/ArtPlayer.git"
+  },
+  "bugs": {
+    "url": "https://github.com/zhw2590582/ArtPlayer/issues"
+  },
+  "keywords": [
+    "html5",
+    "video",
+    "player"
+  ],
+  "exports": {
+    ".": {
+      "types": "./types/artplayer-plugin-websr.d.ts",
+      "import": "./dist/artplayer-plugin-websr.mjs",
+      "require": "./dist/artplayer-plugin-websr.js"
+    },
+    "./legacy": {
+      "types": "./types/artplayer-plugin-websr.d.ts",
+      "import": "./dist/artplayer-plugin-websr.legacy.js",
+      "require": "./dist/artplayer-plugin-websr.legacy.js"
+    }
+  },
+  "main": "dist/artplayer-plugin-websr.js",
+  "module": "./dist/artplayer-plugin-websr.mjs",
+  "types": "types/artplayer-plugin-websr.d.ts",
+  "legacy": "dist/artplayer-plugin-websr.legacy.js",
+  "browserslist": "last 1 Chrome version",
+  "dependencies": {
+    "@websr/websr": "^0.0.14"
+  }
+}