Update docs

Author: mrueda

docs-site/docs/download-and-installation.mdx

@@ -62,9 +62,16 @@ See the Conda instructions in [non-containerized/README.md](https://github.com/C
 
 ### Method 3: From GitHub (`G`)
 
-Recommended when you need the repository utilities, examples, tests, or development version.
+Recommended when you want the current GitHub version without waiting for a CPAN release.
 
-See the GitHub checkout instructions in [non-containerized/README.md](https://github.com/CNAG-Biomedical-Informatics/pheno-ranker/blob/main/non-containerized/README.md).
+Install directly with `cpanm`:
+
+```bash
+cpanm --notest https://github.com/CNAG-Biomedical-Informatics/pheno-ranker.git
+pheno-ranker --help
+```
+
+Use a developer checkout only when you need to inspect the source, run tests, use local examples, or edit code locally. See the full GitHub instructions in [non-containerized/README.md](https://github.com/CNAG-Biomedical-Informatics/pheno-ranker/blob/main/non-containerized/README.md).
 
 ## Containerized
 

non-containerized/README.md

@@ -84,7 +84,16 @@ conda deactivate
 
 ## Method 3: From GitHub
 
-Clone the repository:
+Install the current GitHub version directly with `cpanm`:
+
+```bash
+cpanm --notest https://github.com/CNAG-Biomedical-Informatics/pheno-ranker.git
+pheno-ranker --help
+```
+
+### Developer Checkout
+
+Clone the repository only when you want to inspect the source code, run tests, use local examples, or edit the code locally:
 
 ```bash
 git clone https://github.com/cnag-biomedical-informatics/pheno-ranker.git