readme update

README.md

@@ -2,25 +2,33 @@
 
 contains:
 
-- set of [Nix](https://nixos.org/nix/) expressions to package Argo components ([`pkgs`](./pkgs), [`lib`](./lib))
+- set of [Nix](https://nixos.org/nix/) expressions to package Argo components
+  ([`pkgs`](./pkgs), [`lib`](./lib))
 
-- gitlab ci files, wich are imported in turn by other repositories ([`gitlab-ci`](./gitlab-ci))
+- gitlab ci files, wich are imported in turn by other repositories
+  ([`gitlab-ci`](./gitlab-ci))
 
-- nrm integration test dhall configuration for [dhrun](https://github.com/freuk/dhrun) ([`dhrun`](./dhrun))
+- nrm integration test dhall configuration for
+  [dhrun](https://github.com/freuk/dhrun) ([`dhrun`](./dhrun))
 
-- nixos configuratin for deploying gitlab runners for [nixOps](https://nixos.org/nixops/) ([`deployments`](./deployments), [`modules`](./modules))
+- nixos configuratin for deploying gitlab runners for
+  [nixOps](https://nixos.org/nixops/) ([`deployments`](./deployments),
+  [`modules`](./modules))
 
-the first three items are maintained on the master branch and constitute a rolling dependency for continuous integration. 
+the first three items are maintained on the master branch and constitute a
+rolling dependency for continuous integration. 
 
 ## setup
 
-get nix through your package manager or `curl https://nixos.org/nix/install | sh`
+get nix through your package manager or `curl https://nixos.org/nix/install |
+sh`
 
 ## usage
 
 talk to @vreis, or  
 
 package install via an attribute name from `pkgs/default.nix`:
+
 ```{.bash}
 nix-env -f argopkgs="https://xgitlab.cels.anl.gov/argo/argopkgs/-/archive/master/argopkgs-master.tar.gz" -iA <attribute name>
 ```