Versioning: Semantic Versioning 2.0.0 in docs

README.md

@@ -10,6 +10,8 @@ creation.
 
 This way to see the [documentation](https://card-assembler.readthedocs.io/en/latest/).
 
+Versioning follows [Semantic Versioning 2.0.0](https://semver.org/).
+
 # Features
 
 * Gimp tools: single-colour layer, textbox, import layers from a given

docs/source/overview.rst

@@ -10,9 +10,11 @@ Card Assembler overview
 .. |Releases| image:: https://img.shields.io/github/v/release/martin-brajer/card-assembler
    :target: https://github.com/martin-brajer/card-assembler/releases
 
-Card Assembler is a free and open-source plug-in for Gimp. Assembles an
-image according to an XML file blueprint. Meant for board game card
-creation.
+Card Assembler is a free and open-source plug-in for
+`Gimp <https://www.gimp.org/>`_. Assembles an image according to an XML file
+blueprint. Meant for board game card creation.
+
+Versioning follows `Semantic Versioning 2.0.0 <https://semver.org/>`_.
 
 Features
 --------

src/blueprint.py

@@ -5,9 +5,12 @@
 Read an XML file and produce a layout list, which is then used
 by the main script :mod:`cardassembler`.
 
+Special variable :data:`__version__` is defined here.
+
 .. note::
     Run this script directly to run a :mod:`unittest`.
 """
+#: Versioning follows `Semantic Versioning 2.0.0 <https://semver.org/>`_.
 __version__ = '1.4.0'
 
 import unittest