Add feature capability json file for version lookups

features_capability.json

@@ -0,0 +1,18 @@
+{
+  "normalize/interfaceConfiguration": {
+    "stable": {"min":  "20.12-ALPHA"},
+    "nightlies": {"min":  "20.10-MASTER-somever"}
+  },
+  "normalize/ixVolume": {
+    "stable": {"min":  "20.12-ALPHA"},
+    "nightlies": {"min":  "20.10-MASTER-somever"}
+  },
+  "definitions/interface": {
+    "stable": {"min":  "20.12-ALPHA"},
+    "nightlies": {"min":  "20.10-MASTER-somever"}
+  },
+  "validations/persistentVolumeClaims": {
+    "stable": {"min":  "20.12-ALPHA"},
+    "nightlies": {"min":  "20.10-MASTER-somever"}
+  }
+}