Merge branch '22-bedgraphs-should-be-0-based' into 'main'

Resolve "Bedgraphs should be 0-based"

Closes #22

See merge request !21

src/main/java/cz/mendelu/dnaAnalyser/exporter/ExporterService.java

@@ -265,8 +265,8 @@ public class ExporterService {
 
                 resultBuilder.append(String.format(format,
                     chrom,
-                    posInGenomeStart + chromStart,
-                    posInGenomeStart + chromEnd,
+                        (posInGenomeStart - 1) + chromStart,
+                        (posInGenomeStart - 1) + chromEnd,
                     dataValue
                 )); // This is now using StringBuilder