feat: Add --list-events debugging improvements and timezone support

- Remove debug event limit to display all events
- Add timezone information to event listing output
- Update DEVELOPMENT.md with latest changes and debugging cycle documentation
- Enhance event parsing with timezone support
- Simplify CalDAV client structure and error handling

Changes improve debugging capabilities for CalDAV event retrieval and provide
better timezone visibility when listing calendar events.

Cargo.toml

@@ -18,6 +18,13 @@ tokio = { version = "1.0", features = ["full"] }
 # HTTP client
 reqwest = { version = "0.11", features = ["json", "rustls-tls"] }
 
+# CalDAV client library
+# minicaldav = { git = "https://github.com/julianolf/minicaldav", version = "0.8.0" }
+# Using direct HTTP implementation instead of minicaldav library
+
+# iCalendar parsing
+icalendar = "0.15"
+
 # Serialization
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"