MINOR: adding composer.json

composer.json

@@ -0,0 +1,18 @@
+{
+    "name": "silverstripe-labs/dms",
+    "description": "Adds a Document Management System to SilverStripe ",
+    "type": "silverstripe-module",
+    "keywords": ["silverstripe", "dms", "document", "document management system"],
+	"license": "BSD-3-Clause",
+    "authors": [
+    {
+        "name": "Julian Seidenberg",
+        "email": "julian@silverstripe.com"
+    }
+    ],
+    "require":
+    {
+        "silverstripe/framework": "3.*",
+	    "silverstripe/cms": "3.*"
+    }
+}