add ci

.gitlab-ci.yml

+image: "gitlab-registry.isae-supaero.fr/mae-ac/tools:latest"
+
+stages:
+  - 1.Occurrence_frequency_analysis
+  - 2.Enhanced_occurrence_frequency_analysis
+  - 4.Compression_with_huffman
+
+
+cache:
+  key:
+    files:
+      - pyproject.toml
+  paths:
+    - .venv/
+
+Occurrence_frequency_analysis_correct_returned_type:
+  stage: 1.Occurrence_frequency_analysis
+  script:
+    - uv run pytest tests/test_frequencies.py::test_type
+  allow_failure: true
+
+Occurrence_frequency_analysis_results:
+  stage: 1.Occurrence_frequency_analysis
+  script:
+    - uv run pytest tests/test_frequencies.py::test_compute_occurrence_frequencies
+  allow_failure: true
+
+Read_text_file:
+  stage: 2.Enhanced_occurrence_frequency_analysis
+  script:
+    - uv run pytest tests/test_read_text.py
+  allow_failure: true
+
+KL_divergence:
+  stage: 2.Enhanced_occurrence_frequency_analysis
+  script:
+    - uv run pytest tests/test_kl_div.py
+  allow_failure: true
+
+Detect_language:
+  stage: 2.Enhanced_occurrence_frequency_analysis
+  script:
+    - uv run pytest tests/test_detect_language.py
+  allow_failure: true
+
+Compute_entropy:
+  stage: 4.Compression_with_huffman
+  script:
+      - uv run pytest tests/test_entropy.py
+  allow_failure: true
+
+