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.lock

@@ -211,6 +211,7 @@ dependencies = [
  "chrono-tz",
  "clap",
  "config",
+ "icalendar",
  "quick-xml",
  "reqwest",
  "serde",
@@ -333,7 +334,7 @@ dependencies = [
  "async-trait",
  "json5",
  "lazy_static",
- "nom",
+ "nom 7.1.3",
  "pathdiff",
  "ron",
  "rust-ini",
@@ -699,6 +700,18 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "icalendar"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85aad69a5625006d09c694c0cd811f3655363444e692b2a9ce410c712ec1ff96"
+dependencies = [
+ "chrono",
+ "iso8601",
+ "nom 7.1.3",
+ "uuid",
+]
+
 [[package]]
 name = "icu_collections"
 version = "2.0.0"
@@ -839,6 +852,15 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "iso8601"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1082f0c48f143442a1ac6122f67e360ceee130b967af4d50996e5154a45df46"
+dependencies = [
+ "nom 8.0.0",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.15"
@@ -985,6 +1007,15 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.1"