🌐 Pass .WordCount to i18n function

i18n/en.yaml

@@ -6,7 +6,9 @@ article:
     one: "{{ .Count }} min"
     other: "{{ .Count }} mins"
   reading_time_title: "Reading time"
-  word_count_unit: "Words"
+  word_count:
+    one: "{{ .Count }} word"
+    other: "{{ .Count }} words"
 
 author:
   byline_title: "Author"

i18n/zh.yaml

@@ -5,7 +5,9 @@ article:
   reading_time:
     other: "{{ .Count }} 分钟"
   reading_time_title: "预计阅读"
-  word_count_unit: "字"
+  word_count:
+    one: "{{ .Count }} 字"
+    other: "{{ .Count }} 字"
 
 author:
   byline_title: "作者"