migrated website to docusaurus 2 (#47)

Summary:
- Live version: https://build.ozgunbal.now.sh/
- I only removed github star counts below `Get Started` button at v1:
![image](https://user-images.githubusercontent.com/16080180/66868638-60d9b200-efa6-11e9-9e58-a8638b93d04e.png)
It can be added if it's necessary but IMHO, doesn't look good with new theme.
- Hey, yangshun and endiliey . You can check it when you're available.
- This PR related to facebookarchive/profilo#46 and facebook/docusaurus#1834
Pull Request resolved: facebookarchive/profilo#47

Differential Revision: D18064160

Pulled By: BurntBrunch

fbshipit-source-id: 70b67a519455f3072246373661966e0bd6f84c36

website/.gitignore

@@ -1,8 +1,17 @@
-.DS_Store
-
-/build
+# dependencies
 /node_modules
-/translated_docs
+# production
+/build
+# generated files
+.docusaurus
+.cache-loader
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
 
-/i18n/*
-!/i18n/en.json

website/docusaurus.config.js

@@ -0,0 +1,55 @@
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+module.exports = {
+  title: "Profilo",
+  tagline: "An Android performance library",
+  url: "https://facebookincubator.github.io",
+  baseUrl: "/profilo/",
+  favicon: "img/favicon.png",
+  organizationName: "facebookincubator", // Usually your GitHub org/user name.
+  projectName: "profilo", // Usually your repo name.
+  themeConfig: {
+    navbar: {
+      title: "Profilo",
+      logo: {
+        alt: "Profilo Logo",
+        src: "img/profilo_logo_small.png"
+      },
+      links: [
+        { to: "docs/getting-started", label: "Docs", position: "left" },
+        {
+          href: "https://github.com/facebookincubator/profilo",
+          label: "GitHub",
+          position: "right"
+        }
+      ]
+    },
+    footer: {
+      style: "dark",
+      logo: {
+        alt: "Facebook Open Source Logo",
+        src: "https://docusaurus.io/img/oss_logo.png"
+      },
+      copyright: `Copyright \u00A9 ${new Date().getFullYear()} Facebook, Inc. Built with Docusaurus.`
+    }
+  },
+  presets: [
+    [
+      "@docusaurus/preset-classic",
+      {
+        docs: {
+          path: "../docs",
+          sidebarPath: require.resolve("./sidebars.js")
+        },
+        theme: {
+          customCss: require.resolve("./src/css/custom.css")
+        }
+      }
+    ]
+  ]
+};

website/package.json

@@ -1,14 +1,27 @@
 {
   "scripts": {
-    "examples": "docusaurus-examples",
-    "start": "docusaurus-start",
-    "build": "docusaurus-build",
-    "publish-gh-pages": "docusaurus-publish",
-    "write-translations": "docusaurus-write-translations",
-    "version": "docusaurus-version",
-    "rename-version": "docusaurus-rename-version"
+    "start": "docusaurus start",
+    "build": "docusaurus build",
+    "swizzle": "docusaurus swizzle",
+    "deploy": "docusaurus deploy"
   },
-  "devDependencies": {
-    "docusaurus": "^1.0.9"
+  "dependencies": {
+    "@docusaurus/core": "^2.0.0-alpha.27",
+    "@docusaurus/preset-classic": "^2.0.0-alpha.27",
+    "classnames": "^2.2.6",
+    "react": "^16.10.2",
+    "react-dom": "^16.10.2"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
   }
 }