docs: treat README.rst same way as README.md

Author: dkropachev

docs/Makefile

@@ -27,6 +27,7 @@ setup:
 	@if [ ! -d "$(SOURCEDIR)" ]; then mkdir -p "$(SOURCEDIR)"; fi
 	cp -RL source/* $(SOURCEDIR)
 	cd $(SOURCEDIR) && find . -name README.md -execdir mv '{}' index.md ';'
+	cd $(SOURCEDIR) && find . -name README.rst -execdir mv '{}' index.rst ';'
 
 .PHONY: update
 update:

docs/_utils/multiversion.sh

@@ -1,5 +1,5 @@
 #! /bin/bash	
 
 cd .. && sphinx-multiversion docs/source docs/_build/dirhtml \
-    --pre-build "find . -mindepth 2 -name README.md -execdir mv '{}' index.md ';'" \
+    --pre-build "bash -c \"(find . -mindepth 2 -name README.md -execdir mv '{}' index.md ';'; find . -mindepth 2 -name README.rst -execdir mv '{}' index.rst ';')\"" \
     --post-build './docs/_utils/javadoc.sh'