Add translation for toc title

i18n/en.toml

@@ -17,6 +17,9 @@ other = "Archives"
 [wordCount]
 other = "{{ .WordCount }} Words"
 
+[tableOfContents]
+other = "Table of Contents"
+
 [newer]
 other = "Newer"
 

i18n/zh-hans.toml

@@ -17,6 +17,9 @@ other = "归档"
 [wordCount]
 other = "{{ .WordCount }} 字"
 
+[tableOfContents]
+other = "目录"
+
 [newer]
 other = "新"
 

layouts/posts/single.html

@@ -34,7 +34,7 @@
 		</article>
 		{{- if .Params.toc }}
 		<aside id="toc">
-			<div class="toc-title">Table of Contents</div>
+			<div class="toc-title">{{ i18n "tableOfContents" }}</div>
 			{{ .TableOfContents }}
 		</aside>
 		{{- end }}