Add cleanlines process.

Add an additional process within the pipeline that removes empty lines from being counted as words in the final output.

docs/index.md

@@ -5,10 +5,11 @@ in a text file.
 
 ## The Workflow
 
-The workflow `workflow/main.nf` has three processes:
+The workflow `workflow/main.nf` has four processes:
 
 - Convert all the text in the input files to uppercase
 - Split the text so each word is on a separate line
+- Remove all empty lines generated from the previous output
 - Sort, find and count the occurrence of unique words
 
 This example uses SLURM to finish the calculation tasks. It may be slow due to the workload of the SLURM on BioHPC.
@@ -63,10 +64,10 @@ astrocyte_cli viz astrocyte_example_wordcount
 ### Astrocyte workflow containers
 
 The `workflow_containers` section in `astrocyte_pkg.yml` defines the URL of the containers used by this workflow.
-When the `astrocyte_cli` run this workflow, it will pull the images in this section and save them to
+When the `astrocyte_cli` runs this workflow, it will pull the images in this section and save them to
 `workflow/images/singularity/` for later use. In the workflow, the default configuration located in
-`workflow/configs/biohpc.config` defines how the Nextflow command to use the singularity executor for the uppercase,
-toLines, and word count processes.
+`workflow/configs/biohpc.config` defines how the Nextflow command will use the singularity executor for the uppercase,
+toLines, cleanlines, and word count processes.
 
 ### Vizapp containers