Added CODEOWNERS meta file (#12)

Updated Validation Exceptions to match latest version

CODEOWNERS.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: e046db31a32abd44b819217a777cecf1
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

ValidationExceptions.json

@@ -3,12 +3,12 @@
         {
             "ValidationTest": "Assembly Definition Validation",
             "ExceptionMessage": "Assembly {Package-Root}/Tests/MetaDataManagerTests.asmdef is not a test assembly and should not be present in the Tests folder of your package",
-            "PackageVersion": "0.1.6-preview"
+            "PackageVersion": "0.4.0-preview"
         },
         {
             "ValidationTest": "Assembly Definition Validation",
             "ExceptionMessage": "Assembly {Package-Root}\\Tests\\MetaDataManagerTests.asmdef is not a test assembly and should not be present in the Tests folder of your package",
-            "PackageVersion": "0.1.6-preview"
+            "PackageVersion": "0.4.0-preview"
         }
     ],
     "WarningExceptions": []