Update protocols_pipelines.rst

Author: golobor

doc/protocols_pipelines.rst

@@ -116,6 +116,7 @@ Technical tips
 Advanced Workflows
 ------------------
 For more advanced workflows, please check the following projects:
+
 - [Distiller-NF](https://github.com/open2c/distiller-nf) is a feature-rich Open2C Hi-C processing pipeline for the Nextflow workflow manager.
 - [Distiller-SM](https://github.com/open2c/distiller-sm) is a similarly feature-rich and optimized pipeline implemented in Snakemake.