docs: Update to VuePress 2

docs/.gitignore

@@ -1,5 +1,7 @@
 # ignore VuePress build files
 .vuepress/dist
+.temp
+.cache
 node_modules
 yarn.lock
 # ignore copied files

docs/.vuepress/config.js

@@ -1,15 +1,36 @@
+const { defaultTheme } = require('vuepress')
+const { searchPlugin } = require('@vuepress/plugin-search')
+
 module.exports = {
+  lang: 'en-US',
   title: 'rtl_433',
   description: 'generic data receiver for ISM/SRD bands.',
-  base: "/rtl_433/",
+
+  base: '/rtl_433/',
   markdown: {
-    linkify: true
+    code: {
+      lineNumbers: false,
+    },
   },
-  themeConfig: {
+
+  plugins: [
+    searchPlugin(),
+  ],
+
+  theme: defaultTheme({
     repo: 'merbanan/rtl_433',
     displayAllHeaders: true,
+
+    editLink: true,
+    docsBranch: 'master',
+    docsDir: 'docs',
+
+    navbar: [
+      { text: 'Projects', link: 'https://triq.org/' },
+    ],
+
     sidebar: [
-      ['/', 'Overview'],
+      { text: 'Overview', link: '/' },
       'BUILDING',
       'CHANGELOG',
       'CONTRIBUTING',
@@ -22,6 +43,6 @@ module.exports = {
       'INTEGRATION',
       'LINKS',
       'TESTS',
-    ]
-  }
+    ],
+  }),
 };

docs/.vuepress/styles/index.scss

@@ -0,0 +1,4 @@
+// Missing background color on bare code sections
+.theme-default-content pre, .theme-default-content pre[class*="language-"] {
+  background-color: var(--code-bg-color);
+}

docs/package.json

@@ -7,8 +7,7 @@
     "docs:build": "vuepress build"
   },
   "devDependencies": {
-    "vuepress": "^1.0.0",
-    "@vuepress/plugin-back-to-top": "^1.0.0",
-    "@vuepress/plugin-medium-zoom": "^1.0.0"
+    "@vuepress/plugin-search": "^2.0.0-beta.49",
+    "vuepress": "^2.0.0-beta.49"
   }
 }