Adds versioning HTML to the docs

docs/source/_templates/languages.html

@@ -1 +0,0 @@
-<h1>Languages</h1>

docs/source/_templates/versions.html

@@ -0,0 +1,25 @@
+<div class="rst-versions" data-toggle="rst-versions" role="note" aria-label="versions">
+  <span class="rst-current-version" data-toggle="rst-current-version">
+    <span class="fa fa-book">OnionShare</span>
+    v: {{ current_version }}
+    <span class="fa fa-caret-down"></span>
+  </span>
+  <div class="rst-other-versions">
+    {%- if versions %}
+    <dl>
+      <dt>{{ _('Versions') }}</dt>
+      {%- for name, url in versions %}
+      <dd><a href="{{ url }}">{{ name }}</a></dd>
+      {%- endfor %}
+    </dl>
+    {%- endif %}
+    {%- if langs %}
+    <dl>
+      <dt>{{ _('Languages') }}</dt>
+      {%- for name, code in langs %}
+      <dd><a href="../{{ code }}/">{{ name }}</a></dd>
+      {%- endfor %}
+    </dl>
+    {%- endif %}
+  </div>
+</div>

docs/source/conf.py

@@ -10,10 +10,27 @@ extensions = ["sphinx_rtd_theme"]
 templates_path = ["_templates"]
 exclude_patterns = []
 
+languages = [
+    ("العربية", "ar"),
+    ("Català", "ca"),
+    ("Dansk", "da"),
+    ("Nederlands", "nl"),
+    ("English", "en"),
+]
+
+versions = [
+    ("2.3", "/")
+]
+
 html_theme = "sphinx_rtd_theme"
 html_logo = "_static/logo.png"
 html_favicon = "_static/favicon.ico"
 html_theme_options = {}
+html_context = {
+    "langs": languages,
+    "versions": versions,
+    "current_version": release
+}
 html_static_path = ["_static"]
 html_css_files = ["custom.css"]
 html_show_sourcelink = False