Added a json template for configuration

sw/json/blacksasi.json

@@ -0,0 +1,55 @@
+{
+    "_comment": "Example of json config.",
+    "config": {
+        "version": 1,
+        "name": "BlackSASI"
+    },
+    "images": [
+        {
+            "id": 0,
+            "name": "ABC1600 disc",
+            "termination": "high",
+            "disk": [
+                {
+                    "name": "ABC1600 disc 1",
+                    "scsi_id": 2,
+                    "lun": 0,
+                    "file": "abc1600_example1.dsk",
+                    "sectorsize": 512,
+                    "readonly": "false"
+                },
+                {
+                    "name": "ABC1600 disc 2",
+                    "scsi_id": 3,
+                    "lun": 0,
+                    "file": "abc1600_example2.dsk",
+                    "sectorsize": 512,
+                    "readonly": "false"
+                }
+            ]
+        },
+        {
+            "id": 1,
+            "name": "X37 disc",
+            "termination": "high",
+            "disk": [
+                {
+                    "name": "X37 disc 1",
+                    "scsi_id": 2,
+                    "lun": 0,
+                    "file": "x37_example1.dsk",
+                    "sectorsize": 512,
+                    "readonly": "false"
+                },
+                {
+                    "name": "ABC1600 disc 2",
+                    "scsi_id": 3,
+                    "lun": 0,
+                    "file": "x37_example2.dsk",
+                    "sectorsize": 512,
+                    "readonly": "false"
+                }
+            ]
+        }
+    ]
+}