Merge branch '15-add-translate-fusiondirectory-section' into 'master'

Resolve "Add translate Fusiondirectory section"

Closes #15

See merge request !18

source/index.rst

@@ -22,6 +22,7 @@ Contents:
    api/index
    schemas/index
    themes/index
+   translate/index
    release/index
    license/index
 

source/translate/index.rst

+Translate
+=========
+
+.. toctree::
+   :maxdepth: 2
+
+   translation

source/translate/translation.rst

+Translate FusionDirectory
+=========================
+
+We are using `Transifex <https://www.transifex.com/fusiondirectory/FusionDirectory-1x/>`_
+
+* Create a transifex account
+* Ask to be added to the language group you want to translate
+* Start translating