docs: add manifest

docs/.vuepress/config.js

@@ -30,7 +30,15 @@ module.exports = {
             description: '🍰 Everything is RSSible',
         },
     },
-    head: [['link', { rel: 'icon', href: `/logo.png` }]],
+    head: [
+        ['link', { rel: 'icon', href: '/logo.png' }],
+        ['link', { rel: 'manifest', href: '/manifest.json' }],
+        ['meta', { name: 'theme-color', content: '#fff' }],
+        ['meta', { name: 'apple-mobile-web-app-capable', content: 'yes' }],
+        ['meta', { name: 'apple-mobile-web-app-status-bar-style', content: 'black-translucent' }],
+        ['link', { rel: 'apple-touch-icon', href: '/apple-touch-icon.png' }],
+        ['link', { rel: 'mask-icon', href: '/safari-pinned-tab.svg', color: '#ff8549' }],
+    ],
     themeConfig: {
         repo: 'DIYgod/RSSHub',
         editLinks: true,

docs/.vuepress/public/manifest.json

@@ -0,0 +1,20 @@
+{
+    "name": "",
+    "short_name": "",
+    "icons": [
+        {
+            "src": "/android-chrome-192x192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "/android-chrome-384x384.png",
+            "sizes": "384x384",
+            "type": "image/png"
+        }
+    ],
+    "theme_color": "#ffffff",
+    "background_color": "#ffffff",
+    "display": "standalone",
+    "start_url": "/"
+}

docs/.vuepress/public/safari-pinned-tab.svg

@@ -0,0 +1,21 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="470.000000pt" height="470.000000pt" viewBox="0 0 470.000000 470.000000"
+ preserveAspectRatio="xMidYMid meet">
+<metadata>
+Created by potrace 1.11, written by Peter Selinger 2001-2013
+</metadata>
+<g transform="translate(0.000000,470.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
+<path d="M1350 4693 c-169 -26 -225 -38 -302 -64 -92 -30 -241 -94 -268 -114
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+-31 199 -83 243 -91 8 -2 33 -8 55 -14 51 -13 93 -20 180 -31 79 -10 2038 -8
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+</g>
+</svg>