Add bot configs to enable bot features (#4209)

* add bot configs to enable bot features

* update classifier label strings

* initial check in should perform be false to double ensure things are working properly

.github/similarity.yml

@@ -0,0 +1,5 @@
+{
+    perform: false,
+    whenCreatedByTeam: true,
+    comment: "Thanks for submitting this issue. Please also check if it is already covered by an existing one, like:\n${potentialDuplicates}"
+}