add geofetch tutorial

docs/using-geofetch.md

@@ -0,0 +1,35 @@
+# How to set up a new GEO project
+
+You can use [geofetch](http://geofetch.databio.org) to quickly set up a project to run with looper.
+
+## Download data
+
+```
+geofetch -i GSE69993 --just-metadata -m metadata
+```
+
+## Initialize looper
+
+Make it easier to run looper without specifying the config
+
+```
+looper init metadata/*.yaml
+```
+
+## Convert to fastq
+
+Now, you can convert the files from sra into fastq format:
+
+```
+looper run --amend sra_convert
+```
+
+## Run pipeline
+
+Add a pipeline interface to link to a project
+
+(Experimental)
+
+```
+looper mod "pipeline_interfaces: /path/to/piface.yaml"
+```

mkdocs.yml

@@ -23,6 +23,7 @@ nav:
       - Running multiple pipelines: multiple-pipelines.md
       - Writing a pipeline interface: writing-a-pipeline-interface.md
       - Create looper config file: how_to_define_looper_config.md
+      - Using geofetch: using-geofetch.md
   - Using divvy:
       - Introduction: README_divvy.md
       - Install and configure: install_divvy.md