Update setup.cfg and docs requirements

.readthedocs.yaml

@@ -0,0 +1,26 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Until Python 3.9 is supported on Read the Docs
+build:
+  image: testing
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+# Optionally build your docs in additional formats such as PDF
+formats:
+  - pdf
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.9
+  install:
+    - requirements: docs/requirements.txt
+    - method: pip
+      path: .

docs/requirements.txt

@@ -0,0 +1,5 @@
+ipython
+matplotlib
+nbsphinx
+numpy
+pandas>=1.1.5

setup.cfg

@@ -17,6 +17,15 @@ classifiers =
 [options]
 packages = find:
 python_requires = >=3.9
+install_requires =
+  numpy>=1.17.0
+  pandas>=1.1.5
 
 [options.packages.find]
-where = costa
+include = costa
+exclude = tests
+
+[options.package_data]
+costa =
+    resources/manufacturer-data-cooling.txt
+    resources/manufacturer-data-heating.txt