feat: Enhance logging and CORS handling

- Add console output option to logger
- Implement ISO time conversion for calendar events
- Add OPTIONS method for API and root handlers
- Introduce health check endpoint with uptime and server info
- Implement manual CORS handling in `before_request`
- Add `start_time` to HeroServer for uptime tracking
- Add `ServerLogParams` and `log` method for server logging

lib/core/logger/factory.v

@@ -5,13 +5,15 @@ import freeflowuniverse.herolib.core.pathlib
 // Logger Factory
 pub struct LoggerFactoryArgs {
 pub mut:
-	path string
+	path           string
+	console_output bool = true
 }
 
 pub fn new(args LoggerFactoryArgs) !Logger {
 	mut p := pathlib.get_dir(path: args.path, create: true)!
 	return Logger{
-		path:         p
-		lastlog_time: 0
+		path:           p
+		lastlog_time:   0
+		console_output: args.console_output
 	}
 }

lib/core/logger/log.v

@@ -61,4 +61,26 @@ pub fn (mut l Logger) log(args_ LogItemArgs) ! {
 	}
 	f.writeln(content.trim_space_right())!
 	f.close()
+
+	// Also write to console if enabled
+	if l.console_output {
+		l.write_to_console(args, t)!
+	}
+}
+
+// Write log message to console with clean formatting
+fn (mut l Logger) write_to_console(args LogItemArgs, t ourtime.OurTime) ! {
+	timestamp := t.time().format_ss()
+	error_indicator := if args.logtype == .error { 'ERROR' } else { 'INFO' }
+	category := args.cat.trim_space()
+	lines := args.log.split('\n')
+
+	for i, line in lines {
+		if i == 0 {
+			println('${timestamp} [${error_indicator}] [${category}] ${line}')
+		} else {
+			// Indent continuation lines
+			println('${timestamp} [${error_indicator}] [${category}]   ${line}')
+		}
+	}
 }

lib/core/logger/model.v

@@ -6,8 +6,9 @@ import freeflowuniverse.herolib.core.pathlib
 @[heap]
 pub struct Logger {
 pub mut:
-	path         pathlib.Path
-	lastlog_time i64 // to see in log format, every second we put a time down, we need to know if we are in a new second (logs can come in much faster)
+	path           pathlib.Path
+	lastlog_time   i64  // to see in log format, every second we put a time down, we need to know if we are in a new second (logs can come in much faster)
+	console_output bool // whether to also output to console/stdout
 }
 
 pub struct LogItem {