[Model] add Paddle.js web demo (#392)

* add application include paddle.js web demo and xcx

* cp PR #5

* add readme

* fix comments and link

* fix xcx readme

* fix Task 1

* fix bugs

* refine readme

* delete ocrxcx readme

* refine readme

* fix bugs

* delete old readme

* 200px to 300px

* revert 200px to 300px

Co-authored-by: Jason <jiangjiajun@baidu.com>

examples/application/js/web_demo/packages/paddlejs-models/ocr/.eslintrc.js

@@ -0,0 +1,27 @@
+module.exports = {
+    parser: '@typescript-eslint/parser', // 使用 ts 解析器
+    extends: [
+        'eslint:recommended', // eslint 推荐规则
+        'plugin:@typescript-eslint/recommended', // ts 推荐规则
+        'plugin:jest/recommended',
+    ],
+    plugins: [
+        '@typescript-eslint',
+        'jest',
+    ],
+    env: {
+        browser: true,
+        node: true,
+        es6: true,
+    },
+    parserOptions: {
+        project: 'tsconfig.eslint.json',
+        ecmaVersion: 2019,
+        sourceType: 'module',
+        ecmaFeatures: {
+            experimentalObjectRestSpread: true
+        }
+    },
+    rules: {}
+}
+