Implement portrait capture view with 1.4 aspect ratio (#25)

* Implement portrait capture.

* Add eslint.

* Change NATIONAL_ID_DOC to GREEN_BOOK.

* Add an observer for the document type attribute.

* Add logs for QA.

* Update log.

* Cleanups.

* Use inline JS inside the markup template.

* Update package version.

* Use a combination of observer and static get.

* Add logs for QA.

* Update HTML markup when the document type attribute changes.

* Cleanups.

* Include previous change.

* Constrain view within fixed sized area.

* Add extra padding.

* Add left spacing.

* Adjust button width.

.eslintrc.js

@@ -0,0 +1,23 @@
+module.exports = {
+  env: {
+    browser: true,
+    commonjs: true,
+    es2021: true,
+  },
+  extends: 'airbnb-base',
+  overrides: [
+  ],
+  parserOptions: {
+    ecmaVersion: 'latest',
+  },
+  rules: {
+    'max-len': 'off',
+    indent: ['error', 2],
+    'no-underscore-dangle': 'off',
+    'no-console': ['error', { allow: ['warn', 'error', 'info'] }],
+    'no-unused-vars': ['error', { vars: 'all', args: 'after-used', ignoreRestSiblings: false }],
+  },
+  env: {
+    'cypress/globals': true,
+  },
+};