chore: Move everything into package/ (#1745)

* Move everything into package

* Remove .DS_Store

* Move scripts and eslintrc to package

* Create CODE_OF_CONDUCT.md

* fix some links

* Update all links (I think)

* Update generated docs

* Update notice-yarn-changes.yml

* Update validate-android.yml

* Update validate-cpp.yml

* Delete notice-yarn-changes.yml

* Update validate-cpp.yml

* Update validate-cpp.yml

* Update validate-js.yml

* Update validate-cpp.yml

* Update validate-cpp.yml

* wrong c++ style

* Revert "wrong c++ style"

This reverts commit 55a3575589c6f13f8b05134d83384f55e0601ab2.

package/example/metro.config.js

@@ -0,0 +1,45 @@
+const { getDefaultConfig, mergeConfig } = require('@react-native/metro-config');
+const path = require('path');
+const escape = require('escape-string-regexp');
+const exclusionList = require('metro-config/src/defaults/exclusionList');
+const pak = require('../package.json');
+
+const root = path.resolve(__dirname, '..');
+const modules = Object.keys({ ...pak.peerDependencies });
+
+/**
+ * Metro configuration
+ * https://facebook.github.io/metro/docs/configuration
+ *
+ * @type {import('metro-config').MetroConfig}
+ */
+const config = {
+  watchFolders: [root],
+
+  // We need to make sure that only one version is loaded for peerDependencies
+  // So we block them at the root, and alias them to the versions in example's node_modules
+  resolver: {
+    blacklistRE: exclusionList(
+      modules.map(
+        (m) =>
+          new RegExp(`^${escape(path.join(root, 'node_modules', m))}\\/.*$`)
+      )
+    ),
+
+    extraNodeModules: modules.reduce((acc, name) => {
+      acc[name] = path.join(__dirname, 'node_modules', name);
+      return acc;
+    }, {}),
+  },
+
+  transformer: {
+    getTransformOptions: async () => ({
+      transform: {
+        experimentalImportSupport: false,
+        inlineRequires: true,
+      },
+    }),
+  },
+};
+
+module.exports = mergeConfig(getDefaultConfig(__dirname), config);