Fix Markdownlint warnings

Fix a number of Markdownlint warnings.

.github/CONTRIBUTING.md

@@ -5,13 +5,13 @@ Great! There are plenty of ways you can help!
 
 If you find a bug, have a feature request or even want to contribute an enhancement or fix, please follow the below guidelines so that we can help you out and/or get your code merged quickly.
 
-## If you find what looks like a bug:
+## If you find what looks like a bug
 
 * Check the [GitHub issue tracker](https://github.com/justeattakeaway/JustSaying/issues/ "JustSaying issues") to see if anyone else has reported the same issue.
 * Make sure you are using the latest version of JustSaying
 * If you are still having problems then [create an issue](https://github.com/justeattakeaway/JustSaying/issues/new/choose) with enough information so that it can be reproduced and diagnosed
 
-## If you want to contribute an enhancement or a fix:
+## If you want to contribute an enhancement or a fix
 
 1. Discuss any major enhancement with the project maintainers by creating either an [issue](https://github.com/justeattakeaway/JustSaying/issues/new/choose) or a [discussion](https://github.com/justeattakeaway/JustSaying/discussions).
 1. Work on your changes and add any relevant unit and/or functional tests.

CHANGELOG.md

@@ -1,3 +1,3 @@
 # 5.0.0
 
-See https://github.com/justeattakeaway/JustSaying/releases/tag/v5.0.0.
+See [here](https://github.com/justeattakeaway/JustSaying/releases/tag/v5.0.0).

README.md

@@ -12,14 +12,14 @@ A helpful library for publishing and consuming events / messages over SNS (SNS /
 
 ## Documentation
 
-Docs can be found [here](https://justeat.gitbook.io/justsaying/).
+Documentation can be found [here](https://justeat.gitbook.io/justsaying/).
 
-If you want to contribute to the docs, they are in the [docs branch](https://github.com/justeattakeaway/JustSaying/tree/docs) - PRs should be issued against this branch.
+If you want to contribute to the documentation, they are in the [docs branch](https://github.com/justeattakeaway/JustSaying/tree/docs) - PRs should be issued against this branch.
 
 ## Contributing
 
 Please read the [contributing guide](./.github/CONTRIBUTING.md "Contributing to JustSaying").
 
 ### The End
 
-..._Happy Messaging!..._
+_Happy Messaging!_

Releases.md

@@ -1,3 +1,5 @@
+# Releases
+
 ## About Versioning
 
 JustSaying adopts [SemVer 2.0](https://semver.org/spec/v2.0.0.html), and uses [MinVer](https://github.com/adamralph/minver) to achieve this. [See here](https://github.com/adamralph/minver#how-it-works) for more information on how it works.

docs/Documentation_generation.md

@@ -7,18 +7,19 @@
 ## Integration with Visual Studio Code
 
 - Install the plugin
-    - [PlantUML plugin for Visual Studio Code](https://marketplace.visualstudio.com/items?itemName=jebbs.plantuml)
-
-    - Add the below to your user settings in Visual Studio Code
-
-    ```json
-        "plantuml.exportFormat": "png",
-        "plantuml.render": "PlantUMLServer",
-        "plantuml.server": "http://localhost:8080",
-        "plantuml.diagramsRoot": "docs",
-        "plantuml.exportOutDir": "docs",
-        "plantuml.exportSubFolder": false
-    ```
+  - [PlantUML plugin for Visual Studio Code](https://marketplace.visualstudio.com/items?itemName=jebbs.plantuml)
+  - Add the below to your user settings in Visual Studio Code
+
+  ```json
+  {
+    "plantuml.exportFormat": "png",
+    "plantuml.render": "PlantUMLServer",
+    "plantuml.server": "http://localhost:8080",
+    "plantuml.diagramsRoot": "docs",
+    "plantuml.exportOutDir": "docs",
+    "plantuml.exportSubFolder": false
+  }
+  ```
 
 - Run a [PlantUML Server](https://github.com/plantuml/plantuml-server) locally to translate from `.puml` files into `.png` images
 
@@ -27,14 +28,14 @@
     ```
 
 - To live preview an image while editing
-    - Open a `.puml`
-    - Press F1
-    - Select `PlantUML: Preview Current Diagram`
+  - Open a `.puml`
+  - Press F1
+  - Select `PlantUML: Preview Current Diagram`
 
 - To regenerate all images
-    - Press F1
-    - Select `PlantUML: Export workspace diagrams`
-    - All images in `/docs` will be regenerated
+  - Press F1
+  - Select `PlantUML: Export workspace diagrams`
+  - All images in `/docs` will be regenerated
 
 ## Further reading