refactor: prefine for version v1.0.2 (#269)

* refactor: refactor navigateVector logic and remove unused functions

* refactor: refactor HTML structure and styling in single.html

- Modify the `.info` class to `article` in `_article.scss`
- Remove the `nav.html` partial in `single.html`
- Change the class name from `info` to `article` in `single.html`
- Add the `nav.html` partial in `single.html`

* refactor: update handling of 404 page
- Now hugo will set unknown page title as "404"
- Add condition to return an empty image array if the document title starts with "404"

* docs: update documentation

layouts/404.html

@@ -1,10 +1,10 @@
 {{- define "main" -}}
   <div class="container">
     {{- partial "nav.html" . -}}
+    <article>
+      <p class="error">&#9949; <u>404</u>&nbsp;{{- i18n 404 -}}&nbsp;&#9949;</p>
+      <p class="error">&#9949; <u>404</u>&nbsp;{{- i18n 404 -}}&nbsp;&#9949;</p>
+      <p class="error">&#9949; <u>404</u>&nbsp;{{- i18n 404 -}}&nbsp;&#9949;</p>
+    </article>
   </div>
-  <article class="info">
-    <p class="error">&#9949; <u>404</u>&nbsp;{{- i18n 404 -}}&nbsp;&#9949;</p>
-    <p class="error">&#9949; <u>404</u>&nbsp;{{- i18n 404 -}}&nbsp;&#9949;</p>
-    <p class="error">&#9949; <u>404</u>&nbsp;{{- i18n 404 -}}&nbsp;&#9949;</p>
-  </article>
 {{- end -}}

layouts/_default/single.html

@@ -6,11 +6,12 @@
     data-close="{{- i18n "close" -}}"
     data-loading="{{- i18n "loading" -}}"
   >
-    {{- partial "nav.html" . -}}
     {{- with .Content -}}
-      <article class="info">
+      <article>
         {{- . -}}
       </article>
     {{- end -}}
+
+    {{- partial "nav.html" . -}}
   </div>
 {{- end -}}

layouts/partials/function/currentMenuItem.html

@@ -1,7 +1,7 @@
 {{- $currentPage := . -}}
 
 {{- $identifier := "" -}}
-{{- $title := "" -}}
+{{- $title := "404" -}}
 {{- $weight := -1 -}}
 
 {{- range site.Menus.main -}}