Add language link

docs/source/conf.py

@@ -79,3 +79,27 @@
 locale_dirs = ['locale/'] # .po files for other languages are placed in the locale/ folder.
 
 gettext_compact = False # Support for generating the contents of the folders inside source/ into other languages.
+
+
+# links
+
+rst_epilog = """
+
+.. |link_german_tutorials| raw:: html
+
+    <a href="https://docs.sunfounder.com/projects/davinci-kit/de/latest/" target="_blank">Deutsch Online-Kurs</a>
+
+.. |link_jp_tutorials| raw:: html
+
+    <a href="https://docs.sunfounder.com/projects/davinci-kit/ja/latest/" target="_blank">日本語オンライン教材</a>
+
+.. |link_en_tutorials| raw:: html
+
+    <a href="https://docs.sunfounder.com/projects/davinci-kit/en/latest/" target="_blank">English Online-tutorials</a>
+
+
+
+"""
+
+
+