feat(Markdown): format openapi diffs with markdown

Author: Frontend-jaewon

badges/coverage.svg

@@ -0,0 +1,34 @@
+* {
+  all: revert;
+
+  table {
+    border-spacing: 0 !important;
+    border-collapse: collapse !important;
+    border-color: inherit !important;
+    display: block !important;
+    width: max-content !important;
+    max-width: 100% !important;
+    overflow: auto !important;
+  }
+
+  tbody,
+  td,
+  tfoot,
+  th,
+  thead,
+  tr {
+    border-color: inherit !important;
+    border-style: solid !important;
+    border-width: 1px !important;
+    /* fix width of column depending on the longest cell */
+    padding: 0.5em 1em !important;
+    border-spacing: 0 !important;
+    border-collapse: collapse !important;
+  }
+
+  th {
+    font-weight: bold !important;
+    color: black;
+    background-color: white;
+  }
+}

debug/markdown-stylesheet.css

@@ -70,11 +70,13 @@
     ]
   },
   "dependencies": {
-    "@actions/core": "^1.10.1"
+    "@actions/core": "^1.10.1",
+    "markdown-it": "^14.1.0"
   },
   "devDependencies": {
     "@jest/globals": "^29.7.0",
     "@types/jest": "^29.5.12",
+    "@types/markdown-it": "^14.1.1",
     "@types/node": "^20.12.12",
     "@typescript-eslint/eslint-plugin": "^7.9.0",
     "@typescript-eslint/parser": "^7.9.0",