Add phpstan config

oschwald · oschwald · commit f37e3b610086 · 2021-01-15T15:11:09.000-08:00
diff --git a/phpstan.neon b/phpstan.neon
@@ -0,0 +1,7 @@
+parameters:
+    level: 6
+    paths:
+        - src
+        - tests
+    checkMissingIterableValueType: false
+
