Bump version to 0.2.0 for MCP Resources release

Major feature release with comprehensive MCP Resources support:

BREAKING CHANGES:
- None - fully backward compatible

NEW FEATURES:
- MCP Resources capability for AI assistant content access
- pr_mcp_resource() for custom resource registration
- pr_mcp_help_resources() for built-in R help system integration
- Resources methods: list, read, templates, subscribe, unsubscribe
- Full MCP Inspector compatibility with HTTP wrapper
- Comprehensive resource examples and documentation

IMPROVEMENTS:
- Enhanced JSON serialization for HTTP transport
- Improved debug logging for method tracing
- Fixed inputSchema properties validation issues
- Added extensive test coverage (129 tests passing)

DOCUMENTATION:
- Added resource usage examples and patterns
- MCP Inspector setup and troubleshooting guide
- Complete working examples for different resource types

This release transforms plumber2mcp from a tools-only MCP server
to a full-featured MCP implementation supporting both tools and
resources, enabling richer AI assistant interactions with R
environments and data.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: armish

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: plumber2mcp
 Title: Add Model Context Protocol Support to Plumber APIs
-Version: 0.1.0
+Version: 0.2.0
 Author: Bulent Arman Aksoy
 Maintainer: Bulent Arman Aksoy <arman@aksoy.org>
 Authors@R: 

R/pr_mcp.R

@@ -31,7 +31,7 @@ pr_mcp <- function(pr,
                    include_endpoints = NULL,
                    exclude_endpoints = NULL,
                    server_name = "plumber-mcp",
-                   server_version = "0.1.0",
+                   server_version = "0.2.0",
                    debug = FALSE) {
 
   validate_pr(pr)
@@ -63,7 +63,7 @@ pr_mcp_http <- function(pr,
                         include_endpoints = NULL,
                         exclude_endpoints = NULL,
                         server_name = "plumber-mcp",
-                        server_version = "0.1.0") {
+                        server_version = "0.2.0") {
 
   validate_pr(pr)
 

R/pr_mcp_stdio.R

@@ -26,7 +26,7 @@ pr_mcp_stdio <- function(pr,
                         include_endpoints = NULL,
                         exclude_endpoints = NULL,
                         server_name = "plumber-mcp",
-                        server_version = "0.1.0",
+                        server_version = "0.2.0",
                         debug = FALSE) {
 
   validate_pr(pr)