fix(theme): move doc-footer-before slot into the footer

close #2082

src/client/theme-default/components/VPDoc.vue

@@ -43,8 +43,9 @@ const pageName = computed(() =>
           <main class="main">
             <Content class="vp-doc" :class="pageName" />
           </main>
-          <slot name="doc-footer-before" />
-          <VPDocFooter />
+          <VPDocFooter>
+            <template #doc-footer-before><slot name="doc-footer-before" /></template>
+          </VPDocFooter>
           <slot name="doc-after" />
         </div>
       </div>

src/client/theme-default/components/VPDocFooter.vue

@@ -26,6 +26,8 @@ const showFooter = computed(() => {
 
 <template>
   <footer v-if="showFooter" class="VPDocFooter">
+    <slot name="doc-footer-before" />
+
     <div v-if="hasEditLink || hasLastUpdated" class="edit-info">
       <div v-if="hasEditLink" class="edit-link">
         <VPLink class="edit-link-button" :href="editLink.url" :no-icon="true">