Added PRC8 / CEP2.69 merge files

Added PRC8 / CEP2.69 merge files.

CEP2/2.69/_tools/hakbuilder.json

@@ -5,6 +5,11 @@
       "Name":  "prc4_cep269_mrg",
       "Path": "../_hak/prc4_cep269_mrg/",
       "CompileModels": false
-    },	
+    },
+    {
+      "Name":  "prc8_cep269_mrg",
+      "Path": "../_hak/prc8_cep269_mrg/",
+      "CompileModels": false
+    },		
    ]
 }