Clean README.

README.md

@@ -52,7 +52,6 @@ Key features:
 
 <!-- marker-after-header -->
 
-
 ## Contents
 
 <!-- marker-before-contents -->
@@ -74,7 +73,6 @@ Key features:
 
 <!-- marker-after-contents -->
 
-
 <!-- marker-before-body -->
 
 ## First steps
@@ -99,17 +97,14 @@ If you plan to use remote targets, the (default) implementation also requires [g
 conda install -c conda-forge gfal2 gfal2-util
 ```
 
-
 ### Usage at CERN
 
 See the [wiki](https://github.com/riga/law/wiki/Usage-at-CERN).
 
-
 ### Overcomplete example config
 
 See [law.cfg.example](https://github.com/riga/law/tree/master/law.cfg.example).
 
-
 ## Projects using law
 
 - CMS Di-Higgs Inference Tools:
@@ -148,7 +143,6 @@ See [law.cfg.example](https://github.com/riga/law/tree/master/law.cfg.example).
 
 If your project uses law but is not yet listed here, feel free to open a pull request or mention your project details in a new [issue](https://github.com/riga/law/issues/new?assignees=riga&labels=docs&template=register-project.md) and it will be added.
 
-
 ## Examples
 
 All examples can be run either in a Jupyter notebook or a dedicated docker container.
@@ -179,7 +173,6 @@ docker run -ti riga/law:example <example_name>
 - [notifications](https://github.com/riga/law/tree/master/examples/notifications): Demonstration of slack and telegram task status notifications..
 - [CMS Single Top Analysis](https://github.com/riga/law_example_CMSSingleTopAnalysis): Simple physics analysis using law.
 
-
 ## Further topics
 
 ### Auto completion on the command-line
@@ -216,13 +209,11 @@ If this is the case, just source the law completion script (which internally ena
 source "$( law completion )"
 ```
 
-
 ## Development
 
 - Source hosted at [GitHub](https://github.com/riga/law)
 - Report issues, questions, feature requests on [GitHub Issues](https://github.com/riga/law/issues)
 
-
 ### Tests
 
 The test pipeline consists of unit tests, linting, and type checking.
@@ -243,7 +234,6 @@ Each of these steps be run in a local environment or via docker.
 
 **Note** that, although Python 3.7 is still suppported, type hints are tested only for Python ≥3.8!
 
-
 ### Git hooks
 
 Linting and type checking can be integrated into the git workflow by setting up the provided hook:
@@ -256,7 +246,6 @@ Linting and type checking can be integrated into the git workflow by setting up
 By default, the hook is triggered *after* each commit and *always passes*.
 Use `git commit --amend` to add local changes to the previous commit if needed.
 
-
 ### Docker images
 
 There are various docker `riga/law` images available on the [DockerHub](https://cloud.docker.com/u/riga/repository/docker/riga/law), corresponding to different OS and Python versions (based on [micromamba](https://mamba.readthedocs.io/en/latest/user_guide/micromamba.html)).