overhauled API:

- wrote openapi schema
- re-implemented api endpoint following openapi schema
- intensified and improved working with Result objects

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

de.srsoftware.cal.app/build.gradle.kts

@@ -7,7 +7,7 @@ dependencies {
 
     implementation("de.srsoftware:configuration.api:1.0.0")
     implementation("de.srsoftware:configuration.json:1.0.0")
-    implementation("de.srsoftware:tools.http:1.0.4")
+    implementation("de.srsoftware:tools.http:1.2.1")
     implementation("de.srsoftware:tools.logging:1.0.2")
     implementation("de.srsoftware:tools.web:1.3.8")
     implementation("com.mysql:mysql-connector-j:9.1.0")

de.srsoftware.cal.app/src/main/java/de/srsoftware/cal/app/Application.java

@@ -4,7 +4,7 @@ package de.srsoftware.cal.app;
 import static java.lang.System.Logger.Level.*;
 
 import com.sun.net.httpserver.HttpServer;
-import de.srsoftware.cal.ApiHandler;
+import de.srsoftware.cal.ApiEndpoint;
 import de.srsoftware.cal.IndexHandler;
 import de.srsoftware.cal.StaticHandler;
 import de.srsoftware.cal.db.Database;
@@ -56,7 +56,15 @@ public class Application {
 		HttpServer	 server      = HttpServer.create(new InetSocketAddress(port), 0);
 		var	 staticPages = new StaticHandler(staticPath).bindPath("/static").on(server);
 		new IndexHandler(staticPages).bindPath("/").on(server);
-		new ApiHandler(db).bindPath(("/api")).on(server);
+		new ApiEndpoint(db).bindPath(("/api")).on(server);
+
 		server.start();
+		// TODO: schedule imports
+		// TODO: update URL, when tags are selected
+		// TODO: allow list start time as URL param
+		// TODO: provide ICAL and WEBDAV links
+	}
+
+	private static void scheduleImports() {
 	}
 }