doc/conf.py: add release version 3.0.0

Add release version 3.0.0 to the documentation selection.

Signed-off-by: Dan Kalowsky <[email protected]>

Author: dkalowsk

doc/conf.py

@@ -139,6 +139,7 @@
     "current_version": version,
     "versions": (
         ("latest", "/"),
+        ("3.0.0", "/3.0.0/"),
         ("2.7.0", "/2.7.0/"),
         ("2.6.0", "/2.6.0/"),
         ("2.5.0", "/2.5.0/"),