Added CI

.gitlab-ci.yml

+
+stages:
+  - test
+
+test:
+  stage: test
+  image: condaforge/mambaforge:latest
+  before_script:
+    - eval "$(/opt/conda/bin/conda shell.posix hook)"  # Enable activate/deactivate
+    - mamba create --name=test python=3.10
+    - conda activate test
+    - pip install .[test]
+  script:
+    - pytest tests -s
+variables:
+    PIP_CACHE_DIR: /opt/cache/pip