Add translation guideline

Author: dukecat0

source/contribute.rst

@@ -71,48 +71,52 @@ an agreed-upon interface for interoperability between packaging tools.
 Translations
 ============
 
-We use `Weblate`__ to manage translations of this project.
-Please visit the `packaging.python.org`__ project on Weblate to contribute.
+We use `Weblate`_ to manage translations of this project.
+Please visit the `packaging.python.org`_ project on Weblate to contribute.
 
 If you are experiencing issues while you are working on translations,
-please open an issue on `Github`__.
+please open an issue on `Github`_.
 
 .. note::
 
-   Any translations of this project should follow `reStructuredText syntax`__.
+   Any translations of this project should follow `reStructuredText syntax`_.
 
-.. __: https://weblate.org/
-.. __: https://hosted.weblate.org/projects/pypa/packaging-python-org/
-.. __: https://github.com/pypa/packaging.python.org/issues
-.. __: https://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html
+.. _Weblate: https://weblate.org/
+.. _packaging.python.org: https://hosted.weblate.org/projects/pypa/packaging-python-org/
+.. _Github: https://github.com/pypa/packaging.python.org/issues
+.. _reStructuredText syntax: https://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html
 
 Adding a language
 -----------------
 
-If your language is not listed on `Weblate`__, click the button
+If your language is not listed on `packaging.python.org`_, click the button
 "Start new translation" at the bottom of the languages list and add
 the language you want to translate.
 
-.. __: https://hosted.weblate.org/projects/pypa/packaging-python-org/
-
 Following reStructuredText syntax
 ---------------------------------
 
-If you are not familiar with reStructuredText (RST) syntax, please read `this guide`__
+If you are not familiar with reStructuredText (RST) syntax, please read `this guide`_
 before translating on Weblate.
 
-Example:
+**Do not translate the text in reference directly**
+
+  When translating the text in reference, please do not translate them directly.
+
+  | Wrong: Translate the following text directly:
+
+  .. code-block::
 
-Wrong: Translate the following text directly::
+      `some ref`_ -> `TRANSLATED TEXT HERE`_
 
-  `some ref`_ -> `TRANSLATED TEXT HERE`_
+  | Right: Translate the following text with your own language and add reference to the 
+    original language:
 
-Right: Translate the following text with your own language and add reference to the 
-original language::
+  .. code-block::
 
-  `some ref`_ -> `TRANSLATED TEXT HERE <some ref>`_
+      `some ref`_ -> `TRANSLATED TEXT HERE <some ref>`_
 
-.. __: https://docutils.sourceforge.io/docs/user/rst/quickref.html
+.. _this guide: https://docutils.sourceforge.io/docs/user/rst/quickref.html
 
 Building the guide locally
 ==========================