Merge pull request #1277 from mathbunnyru/asalikhov/fix_markdown

Use `markdown-cli` to check markdown for the style errors

Author: romainx

.github/issue_template.md

@@ -1,3 +1,4 @@
+<!-- markdownlint-disable MD041 -->
 Hi! Thanks for using the Jupyter Docker Stacks.
 
 Please review the following guidance about how to ask questions, contribute changes, or report bugs in the Docker images maintained here.
@@ -20,7 +21,7 @@ Example: `docker run -it --rm -p 8889:8888 jupyter/all-spark-notebook:latest`
 
 Example:
 
-1. Visit http://localhost:8888
+1. Visit <http://localhost:8888>
 2. Start an R notebook
 3. ...
 

.markdownlint.yaml

@@ -0,0 +1,7 @@
+# Default state for all rules
+default: true
+
+# MD013/line-length - Line length
+MD013:
+  # Number of characters
+  line_length: 1000

.pre-commit-config.yaml

@@ -31,3 +31,8 @@ repos:
     rev: v1.5.6
     hooks:
       - id: autopep8
+  - repo: https://github.com/igorshubovych/markdownlint-cli
+    rev: v0.27.1
+    hooks:
+      - id: markdownlint
+        args: ['--fix']

CODE_OF_CONDUCT.md

@@ -1 +1,3 @@
+# Project `jupyter/docker-stacks` Code of Conduct
+
 Please see the [Project Jupyter Code of Conduct](https://github.com/jupyter/governance/blob/master/conduct/code_of_conduct.md).

CONTRIBUTING.md

@@ -1,3 +1,5 @@
+<!-- markdownlint-disable MD041 -->
+
 Thanks for contributing! Please see the
 __Contributor Guide__ section in [the documentation](https://jupyter-docker-stacks.readthedocs.io) for
 information about how to contribute

LICENSE.md

@@ -39,7 +39,7 @@ The Jupyter Development Team is the set of all contributors to the Jupyter proje
 This includes all of the Jupyter subprojects.
 
 The core team that coordinates development on GitHub can be found here:
-https://github.com/jupyter/.
+<https://github.com/jupyter/>.
 
 ## Our Copyright Policy
 

README.md

@@ -1,10 +1,10 @@
+# Jupyter Docker Stacks
+
 [![Discourse badge](https://img.shields.io/discourse/https/discourse.jupyter.org/users.svg?color=%23f37626)](https://discourse.jupyter.org/c/questions "Jupyter Discourse Q&A")
 [![Read the Docs badge](https://img.shields.io/readthedocs/jupyter-docker-stacks.svg)](https://jupyter-docker-stacks.readthedocs.io/en/latest/ "Documentation build status")
 [![DockerHub badge](https://images.microbadger.com/badges/version/jupyter/base-notebook.svg)](https://microbadger.com/images/jupyter/base-notebook "Recent tag/version of jupyter/base-notebook")
 [![Binder badget](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyter/docker-stacks/master?filepath=README.ipynb "Launch a jupyter/base-notebook container on mybinder.org")
 
-# Jupyter Docker Stacks
-
 Jupyter Docker Stacks are a set of ready-to-run [Docker images](https://hub.docker.com/u/jupyter)
 containing Jupyter applications and interactive computing tools.
 

all-spark-notebook/README.md

@@ -1,10 +1,10 @@
+# Jupyter Notebook Python, Scala, R, Spark Stack
+
 [![docker pulls](https://img.shields.io/docker/pulls/jupyter/all-spark-notebook.svg)](https://hub.docker.com/r/jupyter/all-spark-notebook/)
 [![docker stars](https://img.shields.io/docker/stars/jupyter/all-spark-notebook.svg)](https://hub.docker.com/r/jupyter/all-spark-notebook/)
 [![image metadata](https://images.microbadger.com/badges/image/jupyter/all-spark-notebook.svg)](https://microbadger.com/images/jupyter/all-spark-notebook "jupyter/all-spark-notebook image metadata")
 
-# Jupyter Notebook Python, Scala, R, Spark Stack
-
-GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+GitHub Actions in the <https://github.com/jupyter/docker-stacks> project builds and pushes this image
 to Docker Hub.
 
 Please visit the project documentation site for help using and contributing to this image and

base-notebook/README.md

@@ -1,10 +1,10 @@
+# Base Jupyter Notebook Stack
+
 [![docker pulls](https://img.shields.io/docker/pulls/jupyter/base-notebook.svg)](https://hub.docker.com/r/jupyter/base-notebook/)
 [![docker stars](https://img.shields.io/docker/stars/jupyter/base-notebook.svg)](https://hub.docker.com/r/jupyter/base-notebook/)
 [![image metadata](https://images.microbadger.com/badges/image/jupyter/base-notebook.svg)](https://microbadger.com/images/jupyter/base-notebook "jupyter/base-notebook image metadata")
 
-# Base Jupyter Notebook Stack
-
-GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+GitHub Actions in the <https://github.com/jupyter/docker-stacks> project builds and pushes this image
 to Docker Hub.
 
 Please visit the project documentation site for help using and contributing to this image and

datascience-notebook/README.md

@@ -1,10 +1,10 @@
+# Jupyter Notebook Data Science Stack
+
 [![docker pulls](https://img.shields.io/docker/pulls/jupyter/datascience-notebook.svg)](https://hub.docker.com/r/jupyter/datascience-notebook/)
 [![docker stars](https://img.shields.io/docker/stars/jupyter/datascience-notebook.svg)](https://hub.docker.com/r/jupyter/datascience-notebook/)
 [![image metadata](https://images.microbadger.com/badges/image/jupyter/datascience-notebook.svg)](https://microbadger.com/images/jupyter/datascience-notebook "jupyter/datascience-notebook image metadata")
 
-# Jupyter Notebook Data Science Stack
-
-GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+GitHub Actions in the <https://github.com/jupyter/docker-stacks> project builds and pushes this image
 to Docker Hub.
 
 Please visit the project documentation site for help using and contributing to this image and