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.

CONFIGURATION_GRAMMAR.md

@@ -541,6 +541,19 @@ options:
   # Logging
   querylog: <bool>
   
+  # DNSTAP - DNS traffic capture
+  dnstap:                               # List of message types to capture
+    - type: <auth|client|forwarder|resolver>  # Message type (required)
+      log: <query|response>             # Optional: specific direction
+  dnstap_output:                        # Output destination (required if dnstap is set)
+    output_type: <file|unix>            # Output type: file or unix socket (required)
+    output_file: <path>                 # File path or socket path (required)
+    size: <size>                        # Optional: Max file size before rotation
+    versions: <integer>                 # Optional: Number of versions to keep
+    suffix: <increment|timestamp>       # Optional: Rotation suffix type
+  dnstap_identity: <string>             # Optional: Identity string (defaults to hostname)
+  dnstap_version: <string>              # Optional: Version string (defaults to BIND version)
+  
   # Zone management
   check_names: <master|slave|response> <warn|fail|ignore>
   check_dup_records: <warn|fail|ignore>