Create in-solidarity.yml

.github/in-solidarity.yml

diff --git a/.github/in-solidarity.yml b/.github/in-solidarity.yml
new file mode 100644
index 0000000..4450715
--- /dev/null
+++ b/.github/in-solidarity.yml
@@ -0,0 +1,13 @@
+rules:
+  master:
+    level: off  # default rules are set to warning
+  slave:
+    level: failure
+  foo:  # custom rule requires regex and level
+    regex:
+      - /foo/gi
+      - /foobar/gi
+    level: failure
+ignore:
+ - ".github/in-solidarity.yml"  # default
+ - "**/*.yml"