add diagram and rulegraph in Snakefile

Snakefile

@@ -37,7 +37,13 @@ rule splitGffPerChrom:
 		"""
 		fgrep  {params} {input} 1> {output} 2> {log}
 		"""
-
+rule createDiagrams:
+	message: "Create dag and rulegraph of the pipeline"
+	shell:
+		"""
+		snakemake --dag |dot -T png > report/dag.png
+		snakemake --rulegraph |dot -T png > report/rulegraph.png
+		"""
 include: "rules/preprocessISBP.smk"
 include: "rules/preprocessGenomes.smk"
 include: "rules/bedtoolsClosest.smk"