Add Vitepress docs (#326)

* Add vitepress for docs

* some fix

* Use vitepress and update docs

* Use vitepress and update docs

* Update README.md

* Add favicon

* Add docs by @jiriks74

Co-authored-by: jiriks74 <jiri@stefka.eu>

---------

Co-authored-by: jiriks74 <jiri@stefka.eu>

docs/.vitepress/config.mts

@@ -0,0 +1,89 @@
+import {defineConfig} from 'vitepress'
+
+// https://vitepress.dev/reference/site-config
+export default defineConfig({
+    title: "Opengist",
+    description: "Documention for Opengist",
+    rewrites: {
+        'index.md': 'index.md',
+        'introduction.md': 'docs/index.md',
+        ':path(.*)': 'docs/:path'
+    },
+    themeConfig: {
+        // https://vitepress.dev/reference/default-theme-config
+        logo: 'https://raw.githubusercontent.com/thomiceli/opengist/master/public/opengist.svg',
+        logoLink: '/',
+        nav: [
+            { text: 'Demo', link: 'https://demo.opengist.io' },
+            { text: 'Translate', link: 'https://tr.opengist.io' }
+        ],
+
+        sidebar: {
+            '/docs/': [
+            {
+                text: '', items: [
+                    {text: 'Introduction', link: '/docs'},
+                    {text: 'Installation', link: '/docs/installation', items: [
+                        {text: 'Docker', link: '/docs/installation/docker'},
+                        {text: 'Binary', link: '/docs/installation/binary'},
+                        {text: 'Source', link: '/docs/installation/source'},
+                        ],
+                        collapsed: true
+                    },
+                    {text: 'Update', link: '/docs/update'},
+                ], collapsed: false
+            },
+            {
+                text: 'Configuration', base: '/docs/configuration', items: [
+                    {text: 'Configure Opengist', link: '/configure'},
+                    {text: 'Admin panel', link: '/admin-panel'},
+                    {text: 'OAuth Providers', link: '/oauth-providers'},
+                    {text: 'Custom assets', link: '/custom-assets'},
+                    {text: 'Custom links', link: '/custom-links'},
+                    {text: 'Cheat Sheet', link: '/cheat-sheet'},
+                ], collapsed: false
+            },
+            {
+                text: 'Usage', base: '/docs/usage', items: [
+                    {text: 'Init via Git', link: '/init-via-git'},
+                    {text: 'Embed Gist', link: '/embed'},
+                    {text: 'Gist as JSON', link: '/gist-json'},
+                    {text: 'Import Gists from Github', link: '/import-from-github-gist'},
+                    {text: 'Git push options', link: '/git-push-options'},
+                ], collapsed: false
+            },
+            {
+                text: 'Administration', base: '/docs/administration', items: [
+                    {text: 'Run with systemd', link: '/run-with-systemd'},
+                    {text: 'Reverse proxy', items: [
+                        {text: 'Nginx', link: '/nginx-reverse-proxy'},
+                        {text: 'Traefik', link: '/traefik-reverse-proxy'},
+                    ], collapsed: true},
+                    {text: 'Fail2ban', link: '/fail2ban-setup'},
+                    {text: 'Healthcheck', link: '/healthcheck'},
+                ], collapsed: false
+            },
+            {
+                text: 'Contributing', base: '/docs/contributing', items: [
+                    {text: 'Community', link: '/community'},
+                    {text: 'Development', link: '/development'},
+                ], collapsed: false
+            },
+
+        ]},
+
+        socialLinks: [
+            {icon: 'github', link: 'https://github.com/thomiceli/opengist'}
+        ],
+        editLink: {
+            pattern: 'https://github.com/thomiceli/opengist/edit/stable/docs/:path'
+        },
+        // @ts-ignore
+        lastUpdated: true,
+
+    },
+    head: [
+        ['link', {rel: 'icon', href: '/favicon.svg'}],
+    ],
+    ignoreDeadLinks: true
+})