feat(schema.json): update required extension section of porter manifest schema (#979)

Signed-off-by: Vaughn Dice <vadice@microsoft.com>

Author: vdice

pkg/cnab/extensions/schema/io-cnab-docker.schema.json

@@ -3,7 +3,7 @@
   "type": "object",
   "properties": {
     "privileged": {
-      "description": "Option to set the --priviliged flag when running the Docker container",
+      "description": "Option to set the --privileged flag when running the Docker container",
       "type": "boolean"
     }
   },

pkg/porter/testdata/schema.json

@@ -420,11 +420,28 @@
       "type": "array"
     },
     "required": {
+      "additionalItems": true,
       "description": "Required extensions for this bundle",
-      "items": {
-        "anyOf": []
-      },
-      "type": "array"
+      "items": [
+        {
+          "properties": {
+            "docker": {
+              "$schema": "http://json-schema.org/draft-07/schema#",
+              "additionalProperties": false,
+              "properties": {
+                "privileged": {
+                  "description": "Option to set the --privileged flag when running the Docker container",
+                  "type": "boolean"
+                }
+              },
+              "type": "object"
+            }
+          },
+          "type": "object"
+        }
+      ],
+      "type": "array",
+      "uniqueItems": true
     },
     "tag": {
       "description": "The tag to use when the bundle is published to an OCI registry",

pkg/templates/templates/schema.json

@@ -236,9 +236,26 @@
     "required": {
       "description": "Required extensions for this bundle",
       "type": "array",
-      "items": {
-        "anyOf": []
-      }
+      "items": [
+        {
+          "type": "object",
+          "properties": {
+            "docker": {
+              "$schema": "http://json-schema.org/draft-07/schema#",
+              "type": "object",
+              "properties": {
+                "privileged": {
+                  "description": "Option to set the --privileged flag when running the Docker container",
+                  "type": "boolean"
+                }
+              },
+              "additionalProperties": false
+            }
+          }
+        }
+      ],
+      "uniqueItems": true,
+      "additionalItems": true
     },
     "uninstall": {
       "type": "array",