chore: move content to exampleSite

* update dev and build command

chore: move contents to exampleSite

chore: add configs to exampleSite

chore: use tailwindcss/nesting

* add postcss-import
* move imports to the top

chore: add config for theme dev

chore: add compiled css

chore: fix last updated issue

chore: dont't ignore hugo_stats.json

chore: update index page layout

hugo.toml

@@ -1,91 +0,0 @@
-# Hugo config
-title = "Hextra Theme"
-
-baseURL = "https://example.org"
-
-disableKinds = ["taxonomy", "term"]
-
-defaultContentLanguage = 'en'
-[languages]
-  [languages.en]
-    languageName = 'English'
-    weight = 1
-    title = 'Hextra Theme'
-  [languages.ja]
-    languageName = '日本語'
-    weight = 2
-    title = 'Hextra テーマ'
-
-[module]
-  [module.hugoVersion]
-    extended = true
-    min      = "0.115.1"
-  [[module.mounts]]
-    source = "assets"
-    target = "assets"
-  [[module.mounts]]
-    source = "static"
-    target = "static"
-  [[module.mounts]]
-    source = "hugo_stats.json"
-    target = "assets/watching/hugo_stats.json"
-
-[build]
-  writeStats = true
-  [[build.cachebusters]]
-    source = "assets/watching/hugo_stats\\.json"
-    target = "styles\\.css"
-  [[build.cachebusters]]
-    source = "(postcss|tailwind)\\.config\\.js"
-    target = "css"
-  [[build.cachebusters]]
-    source = "assets/.*\\.(js|ts|jsx|tsx)"
-    target = "js"
-  [[build.cachebusters]]
-    source = "assets/.*\\.(.*)$"
-    target = "$1"
-
-[markup]
-  [markup.goldmark]
-    [markup.goldmark.renderer]
-      unsafe = true
-  [markup.highlight]
-    noClasses = false
-
-
-[menu]
-  [[menu.main]]
-    name = 'Documentation'
-    pageRef = '/docs'
-    weight = 10
-  [[menu.main]]
-    name = 'Blog'
-    pageRef = '/blog'
-    weight = 20
-  [[menu.main]]
-    name = 'About'
-    pageRef = '/about'
-    weight = 30
-  [[menu.main]]
-    name = 'Search'
-    weight = 35
-    params = { type = 'search', placeholder = 'Search documentation...' }
-  [[menu.main]]
-    name = 'GitHub'
-    url = 'https://github.com'
-    weight = 40
-    params = { icon = 'github' }
-
-  [[menu.sidebar]]
-    name = 'More'
-    params = { type = 'separator' }
-    weight = 10
-  [[menu.sidebar]]
-    name = 'Hugo Docs ↗'
-    url = 'https://gohugo.io/documentation/'
-    weight = 20
-
-[params]
-  dateFormat = 'January 2, 2006'
-
-  displayUpdatedDate = true