Add OWNERS files

Also, change the release.bash script so it doesn't include the OWNERS
file in the release ZIP (nor the .DS_Store files).

Change-Id: I09fc621838714f0620a3efb3a3e4824d9ee60258
diff --git a/src/_locales/ru/OWNERS b/src/_locales/ru/OWNERS
new file mode 100644
index 0000000..f7cf3f7
--- /dev/null
+++ b/src/_locales/ru/OWNERS
@@ -0,0 +1 @@
+ai@contributor.pw