Add .swiftlint

.swiftlint.yml

@@ -0,0 +1,48 @@
+disabled_rules:
+  - opening_brace
+  - trailing_comma
+
+excluded:
+  - '**/build'
+  - '**/vendor'
+
+#
+# parameters
+#
+
+cyclomatic_complexity:
+  warning: 100
+  error: 150
+
+file_length:
+  warning: 2000
+  error: 3000
+
+function_body_length:
+  warning: 1200
+  error: 1500
+
+function_parameter_count:
+  warning: 10
+  error: 20
+
+identifier_name:
+  max_length:
+    warning: 100
+  min_length:
+    warning: 1
+
+large_tuple:
+  warning: 5
+
+line_length:
+  warning: 1000
+  error: 2000
+
+nesting:
+  type_level:
+    warning: 2
+
+type_body_length:
+  warning: 1200
+  error: 1500

Makefile

@@ -35,3 +35,6 @@ check-staple:
 
 swift-format:
 	$(MAKE) -C src swift-format
+
+swiftlint:
+	swiftlint