add cache examples

cache/examples.json

@@ -0,0 +1,36 @@
+
+{
+    "get": [{
+        "title": "Get a value",
+        "description": "Get returns a value from the cache",
+        "request": {
+            "key": "foo"
+        },
+        "response": {
+            "key": "foo",
+            "value": "bar",
+            "ttl": 0
+        }
+    }],
+    "set": [{
+        "title": "Set a value",
+        "description": "Set allows you to set a value",
+        "request": {
+            "key": "foo",
+            "value": "bar"
+        },
+        "response": {
+            "status": "ok"
+        }
+    }],
+    "set": [{
+        "title": "Delete a value",
+        "description": "Delete a value from the cache",
+        "request": {
+            "key": "foo"
+        },
+        "response": {
+            "status": "ok"
+        }
+    }]
+}