Change snapshot from txt to json (#33)

Author: eviK88

README.md

@@ -51,11 +51,11 @@ begin to send a simple command to the client every few seconds.
 
 ## Snapshot
 
-The snapshot exists in both text and binary format in the `snapshots` folder. There is no script
-to generate the snapshot as the snapshot was written by hand in the text format, but it's possible
-to make simple changes to the text format and regenerate the binary snapshot from it. To update the
+The snapshot exists in both json and binary format in the `snapshots` folder. There is no script
+to generate the snapshot as the snapshot was written by hand in the json format, but it's possible
+to make simple changes to the json format and regenerate the binary snapshot from it. To update the
 binary snapshot after making a change, run the following command:
 
 ```
-spatial project history snapshot convert --input-format=text --input=snapshots/default.txt --output-format=binary --output=snapshots/default.snapshot
+spatial project history snapshot convert --input-format=text --input=snapshots/default.json --output-format=binary --output=snapshots/default.snapshot
 ```

snapshots/default.json

@@ -0,0 +1,74 @@
+{
+    "__entity_id": "1",
+    "improbable.EntityAcl": {
+        "component_write_acl": [
+            {
+                "key": 54,
+                "value": {
+                    "attribute_set": [
+                        {
+                            "attribute": [
+                                "physics"
+                            ]
+                        }
+                    ]
+                }
+            },
+            {
+                "key": 50,
+                "value": {
+                    "attribute_set": [
+                        {
+                            "attribute": [
+                                "physics"
+                            ]
+                        }
+                    ]
+                }
+            },
+            {
+                "key": 1000,
+                "value": {
+                    "attribute_set": [
+                        {
+                            "attribute": [
+                                "physics"
+                            ]
+                        }
+                    ]
+                }
+            }
+        ],
+        "read_acl": {
+            "attribute_set": [
+                {
+                    "attribute": [
+                        "physics"
+                    ]
+                },
+                {
+                    "attribute": [
+                        "client_direct"
+                    ]
+                },
+                {
+                    "attribute": [
+                        "client_vtable"
+                    ]
+                }
+            ]
+        }
+    },
+    "improbable.Persistence": {},
+    "improbable.Position": {
+        "coords": {
+            "x": 0.0,
+            "y": 0.0,
+            "z": 0.0
+        }
+    },
+    "sample.ClientData": {
+        "input_state": 0.5
+    },
+    "sample.Login": {}
+}