feat: 更新 lazyload 配置，支持原生 lazyload 功能

feat: 代碼優化
feat: 優化 pageType 邏輯
fix: 修復解密文章後， chartjs 沒有加載的 bug

layout/includes/additional-js.pug

@@ -11,7 +11,7 @@ div
   if theme.instantpage
     script(src=url_for(theme.asset.instantpage), type='module')
 
-  if theme.lazyload.enable
+  if theme.lazyload.enable && !theme.lazyload.native
     script(src=url_for(theme.asset.lazyload))
 
   if theme.snackbar.enable
@@ -33,7 +33,7 @@ div
   != partial("includes/third-party/prismjs", {}, { cache: true })
 
   if theme.aside.enable && theme.aside.card_newest_comments.enable
-    if theme.pjax.enable || (!is_post() && page.aside !== false)
+    if theme.pjax.enable || (globalPageType !== 'post' && page.aside !== false)
       != partial("includes/third-party/newest-comments/index", {}, { cache: true })
 
   != fragment_cache('injectBottom', function(){return injectHtml(theme.inject.bottom)})

layout/includes/head.pug

@@ -1,12 +1,18 @@
 - var pageTitle
-- is_archive() ? page.title = findArchivesTitle(page, theme.menu, date) : ''
-- if (is_tag()) pageTitle = _p('page.tag') + ': ' + page.tag
-- else if (is_category()) pageTitle = _p('page.category') + ': ' + page.category
-- else if (is_current('/404.html', [strict])) pageTitle = _p('error404')
-- else pageTitle = page.title || config.title || ''
+- globalPageType === 'archive' ? page.title = findArchivesTitle(page, theme.menu, date) : ''
+case globalPageType
+  when 'tag'
+    - pageTitle = _p('page.tag') + ': ' + page.tag
+  when 'category'
+    - pageTitle = _p('page.category') + ': ' + page.category
+  when '404'
+    - pageTitle = _p('error404')
+  default
+    - pageTitle = page.title || config.title || ''
+
 
 - var isSubtitle = config.subtitle ? ' - ' + config.subtitle : ''
-- var tabTitle = is_home() || !pageTitle ? config.title + isSubtitle : pageTitle + ' | ' + config.title
+- var tabTitle = globalPageType === 'home' || !pageTitle ? config.title + isSubtitle : pageTitle + ' | ' + config.title
 - var pageAuthor = config.email ? config.author + ',' + config.email : config.author
 - var pageCopyright = config.copyright || config.author
 - var themeColorLight = theme.theme_color && theme.theme_color.enable && theme.theme_color.meta_theme_color_light || '#ffffff'

layout/includes/head/Open_Graph.pug

@@ -2,7 +2,7 @@ if theme.Open_Graph_meta.enable
   -
     const coverVal = page.cover_type === 'img' ? page.cover : theme.avatar.img
     let ogOption = Object.assign({
-      type: is_post() ? 'article' : 'website',
+      type: globalPageType === 'post' ? 'article' : 'website',
       image: coverVal ? full_url_for(coverVal) : '',
       fb_admins: theme.facebook_comments.user_id || '',
       fb_app_id: theme.facebook_comments.app_id || '',