feat(query): Implement query endpoint

ilp-cw-api/[POST] query/GT LT -contradict.bru

@@ -0,0 +1,44 @@
+meta {
+  name: GT LT -contradict
+  type: http
+  seq: 3
+}
+
+post {
+  url: {{API_BASE}}/query
+  body: json
+  auth: inherit
+}
+
+body:json {
+  [
+    {
+      "attribute": "capacity",
+      "operator": ">",
+      "value": "8"
+    },
+    {
+      "attribute": "capacity",
+      "operator": "<",
+      "value": "8"
+    }
+  ]
+}
+
+assert {
+  res.status: eq 200
+  res.body: length 0
+}
+
+tests {
+  test("Response body is a JSON array", function() {
+    expect(res.getBody()).to.be.an('array');
+  });
+  
+  
+}
+
+settings {
+  encodeUrl: true
+  timeout: 0
+}