feat: include additional markdown files in package distribution

package.json

@@ -9,7 +9,12 @@
   },
   "files": [
     "dist",
-    "bin"
+    "bin",
+    "*.md",
+    "backend/*.md",
+    "frontend/*.md", 
+    "style/*.md",
+    "testing/*.md"
   ],
   "scripts": {
     "build": "tsc",