added merge pdfs, fixed jpgstopdf arg issues,

sample_tests/sample_test_yaml.json

@@ -0,0 +1,30 @@
+{
+    "name": "Sample Project",
+    "description": "This is a sample YAML file to test the YAML to Markdown conversion script.",
+    "version": "1.0.0",
+    "authors": [
+        {
+            "name": "John Doe",
+            "email": "john.doe@example.com"
+        },
+        {
+            "name": "Jane Smith",
+            "email": "jane.smith@example.com"
+        }
+    ],
+    "dependencies": [
+        {
+            "package": "pandas",
+            "version": "1.3.0"
+        },
+        {
+            "package": "numpy",
+            "version": "1.21.0"
+        }
+    ],
+    "features": [
+        "Supports YAML to Markdown conversion",
+        "Handles nested dictionaries and lists",
+        "Easy to use"
+    ]
+}