#243, Copy jp.yaml to ja.yaml

i18n/ja.yaml

@@ -0,0 +1,20 @@
+- id: Search
+  translation: 検索
+
+- id: Edit this page
+  translation: このページを編集する
+
+- id: Last modified by
+  translation: 最終更新者
+
+- id: Expand
+  translation: 展開
+
+- id: bookSearchConfig
+  translation: |
+    {
+      encode: false,
+      tokenize: function(str) {
+        return str.replace(/[\x00-\x7F]/g, '').split('');
+      }
+    }

i18n/jp.yaml

@@ -1,3 +1,4 @@
+# This should be removed in future, 'jp' is moved to `ja'
 - id: Search
   translation: 検索