Fix .md file style warnings

readme.md

@@ -71,7 +71,7 @@ Run the project in production with gunicorn. Refer to [this page](https://www.di
 
 Install production dependencies.
 
-```
+```bash
 pip install -r requirements.production.txt
 ```
 
@@ -82,7 +82,8 @@ Do not use `rebase` when pulling or merging changes. Rebasing transforms the com
 When you start working on a feature, create a feature branch for your changes. These feature branches should be prefixed with `feature`.
 
 Example of creating a feature branch:
-```
+
+```bash
 git checkout -b feature-error-page
 ```
 
@@ -96,13 +97,13 @@ Merge requests to `master` should be reviewed by multiple developers. Only a mod
 
 Lint python files using `pycodestyle` with
 
-```
+```bash
 pycodestyle --config=setup.cfg --count .
 ```
 
 Lint javascript and markdown using `eslint` and `remark` with
 
-```
+```bash
 npm test
 ```
 
@@ -112,7 +113,7 @@ Use an editor with linting capabilities to write pretty code that passes linting
 
 Run unit tests with
 
-```
+```bash
 python manage.py test -v 2
 ```