Template: Fix Manifest DOI text

- Add line break
- Fix indentation

nf_core/pipeline-template/nextflow.config

@@ -286,7 +286,7 @@ validation {
 \033[0;35m  ${manifest.name} ${manifest.version}\033[0m
 -\033[2m----------------------------------------------------\033[0m-
 """
-        afterText = """${manifest.doi ? "* The pipeline\n" : ""}${manifest.doi.tokenize(",").collect { "  https://doi.org/${it.trim().replace('https://doi.org/','')}"}.join("\n")}${manifest.doi ? "\n" : ""}
+        afterText = """${manifest.doi ? "\n* The pipeline\n" : ""}${manifest.doi.tokenize(",").collect { "    https://doi.org/${it.trim().replace('https://doi.org/','')}"}.join("\n")}${manifest.doi ? "\n" : ""}
 * The nf-core framework
     https://doi.org/10.1038/s41587-020-0439-x