RANGER-5309: add authz-api module

[mneethiraj]

What changes were proposed in this pull request?

Introduces authorization API for use by applications that wants to leverage Ranger policies to authorize access to their resources. The API will have at least 2 implementations: 1) embedded policy evaluation 2) remote policy evaluation in Ranger PDP server

How was this patch tested?

Added unit tests.

[Copilot]

Pull Request Overview

Introduces a new authorization API module (authz-api) for Apache Ranger that provides a simplified interface for applications to leverage Ranger policies for resource authorization.

• Adds core API interfaces and models for authorization requests and responses
• Implements resource template parsing utility for flexible resource identification
• Provides error handling framework with categorized error codes

Reviewed Changes

Copilot reviewed 17 out of 17 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pom.xml	Adds authz-api module to Maven build configuration
authz-api/pom.xml	Defines module dependencies including Jackson annotations and SLF4J logging
authz-api/src/main/java/org/apache/ranger/authz/api/*	Core API interfaces for authorization factory, authorizer, and exception handling
authz-api/src/main/java/org/apache/ranger/authz/model/*	Data models for authorization requests, results, and user information
authz-api/src/main/java/org/apache/ranger/authz/util/RangerResourceTemplate.java	Utility for parsing resource templates with placeholder substitution
authz-api/src/test/java/org/apache/ranger/authz/util/TestRangerResourceTemplate.java	Unit tests for resource template parsing across different service types
authz-api/README.txt	Documentation explaining API usage with examples

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