Add zone option JSON files for BIND9 grammar

- Created primary.zoneopt.json to define grammar for primary zones with various options including allow-query, allow-transfer, and DNSSEC settings.
- Added redirect.zoneopt.json for redirect zones, specifying options like allow-query and primaries.
- Introduced secondary.zoneopt.json for secondary zones, detailing options such as allow-notify, forwarders, and notify configurations.
- Implemented static-stub.zoneopt.json for static stub zones, including server-addresses and server-names options.
- Added stub.zoneopt.json for stub zones, defining options like check-names and forwarders.
- Created zoneopt.json as a general template for zone options, incorporating common fields across different zone types.

bind9-grammar/redirect.zoneopt.json

@@ -0,0 +1,58 @@
+{
+    "zone": {
+        "_id": "<string> [ <class> ]",
+        "_mapbody": {
+            "type": {
+                "_grammar": "redirect"
+            },
+            "allow-query": {
+                "_grammar": "{ <address_match_element>; ... }"
+            },
+            "allow-query-on": {
+                "_grammar": "{ <address_match_element>; ... }"
+            },
+            "dlz": {
+                "_grammar": "<string>"
+            },
+            "file": {
+                "_grammar": "<quoted_string>"
+            },
+            "masterfile-format": {
+                "_grammar": "( raw | text )"
+            },
+            "masterfile-style": {
+                "_grammar": "( full | relative )"
+            },
+            "max-records": {
+                "_grammar": "<integer>"
+            },
+            "max-records-per-type": {
+                "_grammar": "<integer>"
+            },
+            "max-types-per-name": {
+                "_grammar": "<integer>"
+            },
+            "max-zone-ttl": {
+                "_flags": [
+                    "deprecated"
+                ],
+                "_grammar": "( unlimited | <duration> )"
+            },
+            "plugin": {
+                "_flags": [
+                    "may occur multiple times"
+                ],
+                "_grammar": "( query ) <string> [ { <unspecified-text> } ]"
+            },
+            "primaries": {
+                "_grammar": "[ port <integer> ] [ source ( <ipv4_address> | * ) ] [ source-v6 ( <ipv6_address> | * ) ] { ( <server-list> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... }"
+            },
+            "template": {
+                "_grammar": "<string>"
+            },
+            "zone-statistics": {
+                "_grammar": "( full | terse | none | <boolean> )"
+            }
+        }
+    }
+}