ci: Adds pipeline for windows.

.gitlab-ci.yml

@@ -22,3 +22,12 @@ deploy:
   script:
     - python3 -m pip install poetry --upgrade
     - bash .ci/release.sh
+
+build:windows:
+  stage: build
+  tags:
+    - windows
+  script:
+    - python -m pip install .
+    - python -m bitia --help
+    - python -m bitia run "ls -ltrh /"