added importer for Gerberstraße Weimar

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

de.srsoftware.cal.base/src/main/java/de/srsoftware/cal/BaseImporter.java

@@ -193,6 +193,7 @@ public abstract class BaseImporter implements Importer {
 					return url(Payload.of(href)).optional().map(url -> new Link(url,txt)).orElse(null);
 				})
 				.filter(Objects::nonNull)
+				.filter(link -> link.desciption() != null)
 				.toList();
 	}
 

de.srsoftware.cal.base/src/main/java/de/srsoftware/cal/Util.java

@@ -126,7 +126,7 @@ public class Util {
 	}
 
 	public static Result<LocalDate> parseGermanDate(String s){
-		var match = GERMAN_DATE_PATTERN.matcher(" "+s+" ");
+		var match = GERMAN_DATE_PATTERN.matcher(" "+s.trim()+" ");
 		if (match.find()){
 			var day = Integer.parseInt(match.group(1));
 			var month = Integer.parseInt(match.group(2));
@@ -150,7 +150,7 @@ public class Util {
 	}
 
 	public static Result<LocalTime> parseGermanTime(String s){
-		var match = GERMAN_TIME_PATTERN.matcher(s);
+		var match = GERMAN_TIME_PATTERN.matcher(" "+s.trim()+" ");
 		if (match.find()){
 			var hour = Integer.parseInt(match.group(1));
 			var minute = Integer.parseInt(match.group(2));