ci: rename to ci.yml and add lint-and-test gate

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.10", "3.12"]
+    steps:
+
+    - name: Checkout repository
+      uses: actions/checkout@v6
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v6
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install stock-indicators==1.3.1
+        pip install pylint
+
+    - name: Analysing the code with pylint
+      run: |
+        pylint $(git ls-files '*.py')
+
+  markdown:
+    runs-on: ubuntu-slim
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v6
+      - name: Lint markdown
+        uses: DavidAnson/markdownlint-cli2-action@v23
+
+  lint-and-test:
+    runs-on: ubuntu-slim
+    needs: [build, markdown]
+    if: always()
+    steps:
+      - name: Verify required jobs succeeded
+        if: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
+        run: |
+          echo "One or more required jobs did not succeed."
+          exit 1

.markdownlint-cli2.jsonc

@@ -0,0 +1,22 @@
+{
+  "globs": ["**/*.md"],
+  "gitignore": true,
+  "ignores": ["node_modules/**"],
+  "config": {
+    "default": true,
+    "MD003": { "style": "atx" },
+    "MD004": { "style": "dash" },
+    "MD007": { "indent": 2 },
+    "MD013": false, // allow long lines
+    "MD024": { "siblings_only": true },
+    "MD028": false, // allow separation between quote blocks
+    "MD033": {
+      "allowed_elements": ["details", "summary", "br", "sub", "sup", "kbd", "abbr", "a", "img"]
+    },
+    "MD041": false,
+    "MD046": { "style": "fenced" },
+    "MD048": { "style": "backtick" },
+    "MD055": { "style": "leading_and_trailing" },
+    "MD060": { "style": "compact", "aligned_delimiter": false }
+  }
+}