refactor(widget/archives): remove .widgets.archives.path config

The theme will automatically detect the permalink to the archives page.

exampleSite/config.yaml

@@ -60,7 +60,6 @@ params:
 
         archives:
             limit: 5
-            path: archives
 
         tagCloud:
             limit: 10

layouts/partials/widget/archives.html

@@ -1,3 +1,6 @@
+{{- $query := first 1 (where .Site.Pages "Layout" "==" "archives") -}}
+{{- if $query -}}
+    {{- $archivesPage := index $query 0 -}}
     <section class="widget archives">
         <div class="widget-icon">
             {{ partial "helper/icon" "infinity" }}
@@ -13,7 +16,7 @@
             {{ range $index, $item := first (add .Site.Params.widgets.archives.limit 1) ($archives) }}
                 {{- $id := lower (replace $item.Key " " "-") -}}
                 <div class="archives-year">
-                <a href="{{ $.Site.Params.widgets.archives.path | relLangURL }}#{{ $id }}">
+                    <a href="{{ $archivesPage.RelPermalink }}#{{ $id }}">
                         {{ if eq $index $.Site.Params.widgets.archives.limit }}
                             <span class="year">{{ T "widget.archives.more" }}</span>
                         {{ else }}
@@ -25,3 +28,6 @@
             {{ end }}
         </div>
     </section>
+{{- else -}}
+    {{- warnf "Archives page not found. Create a page with layout: archives." -}}
+{{- end -}}