Add poetry and fix CICD

.markdownlint.json

@@ -0,0 +1,57 @@
+{
+    "code-block-style": {
+      "style": "fenced"
+    },
+    "code-fence-style": {
+      "style": "backtick"
+    },
+    "emphasis-style": {
+      "style": "asterisk"
+    },
+    "fenced-code-language": {
+      "allowed_languages": [
+        "bash",
+        "html",
+        "javascript",
+        "json",
+        "markdown",
+        "text"
+      ],
+      "language_only": true
+    },
+    "heading-style": {
+      "style": "atx"
+    },
+    "hr-style": {
+      "style": "---"
+    },
+    "line-length": {
+      "strict": true,
+      "code_blocks": false
+    },
+    "no-duplicate-heading": {
+      "siblings_only": true
+    },
+    "ol-prefix": {
+      "style": "ordered"
+    },
+    "proper-names": {
+      "code_blocks": false,
+      "names": [
+        "Cake.Markdownlint",
+        "CommonMark",
+        "JavaScript",
+        "Markdown",
+        "markdown-it",
+        "markdownlint",
+        "Node.js"
+      ]
+    },
+    "strong-style": {
+      "style": "asterisk"
+    },
+    "ul-style": {
+      "style": "dash"
+    },
+    "no-inline-html": false
+  }