cookiecutter: fixed short description and readme fields

Author: deeenes

cookiecutter.json

@@ -3,6 +3,7 @@
     "project_slug": "{{ cookiecutter.project_name|lower|replace(' ', '-') }}",
     "package_name": "{{ cookiecutter.project_slug|lower|replace('-', '_') }}",
     "short_description": "A great new project",
+    "readme": "{{ cookiecutter.short_description }}",
     "author_full_name": "Your Name",
     "author_email": "your@email",
     "github_organization": "saezlab",

{{cookiecutter.project_slug}}/README.md

@@ -8,4 +8,4 @@
 [badge-docs]: https://img.shields.io/readthedocs/{{ cookiecutter.project_slug }}
 [link-docs]: https://{{ cookiecutter.project_slug }}.readthedocs.io
 
-{{ cookiecutter.project_description }}
+{{ cookiecutter.readme }}