Add documentation & data scripts

Add Readme.md
scripts in data/ can generate some dummy date into the system

Issue-ID: NONRTRIC-238
Signed-off-by: ecaiyanlinux <martin.c.yan@est.tech>
Change-Id: Id562c281ba909fa60e63223d8bd44f20949bb493
diff --git a/docker-compose/data/testdata/OSC/policy_type.json b/docker-compose/data/testdata/OSC/policy_type.json
new file mode 100644
index 0000000..537d86f
--- /dev/null
+++ b/docker-compose/data/testdata/OSC/policy_type.json
@@ -0,0 +1,45 @@
+{
+  "name": "pt1",
+  "description": "pt1 policy type",
+  "policy_type_id": 1,
+  "create_schema": {
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "title": "OSC_Type1_1.0.0",
+    "description": "Type 1 policy type",
+    "type": "object",
+    "properties": {
+      "scope": {
+        "type": "object",
+        "properties": {
+          "ueId": {
+            "type": "string"
+          },
+          "qosId": {
+            "type": "string"
+          }
+        },
+        "additionalProperties": false,
+        "required": [
+          "ueId",
+          "qosId"
+        ]
+      },
+      "qosObjective": {
+        "type": "object",
+        "properties": {
+          "priorityLevel": {
+            "type": "number"
+          }
+        },
+        "additionalProperties": false,
+        "required": [
+          "priorityLevel"
+        ]
+      }
+    },
+    "additionalProperties": false,
+    "required": [
+      "scope", "qosObjective"
+    ]
+  }
+}
diff --git a/docker-compose/data/testdata/policy.json b/docker-compose/data/testdata/policy.json
new file mode 100644
index 0000000..119ba8b
--- /dev/null
+++ b/docker-compose/data/testdata/policy.json
@@ -0,0 +1,9 @@
+{
+  "scope": {
+    "ueId": "ue3100",
+    "qosId": "qos3100"
+  },
+  "qosObjective": {
+    "priorityLevel": 3100
+  }
+}
diff --git a/docker-compose/data/testdata/service.json b/docker-compose/data/testdata/service.json
new file mode 100644
index 0000000..1b973fc
--- /dev/null
+++ b/docker-compose/data/testdata/service.json
@@ -0,0 +1 @@
+{"callbackUrl": "http://callback-receiver:8090/callbacks/1","keepAliveIntervalSeconds": "3600","serviceName": "service1"}