Add missing docs for recording query

app/api/resources/swagger/create_device_recording_query_spec.yaml

@@ -0,0 +1,20 @@
+Creates new recording query
+---
+tags:
+  - Recording
+parameters:
+  - in: path
+    name: device_id
+    required: true
+    type: integer
+    description: Id of the device
+  - in: body
+    name: body
+    required: true
+    schema:
+      $ref: '#/definitions/Query'
+responses:
+  200:
+    description: Success
+    schema:
+      type: array

app/swagger/template.yaml

@@ -161,6 +161,26 @@ definitions:
         description: Value of the recording
         example: 25.0
 
+  Query:
+    type: object
+    required:
+      - selections
+      - filters
+      - groups
+    properties:
+      selections:
+        type: object
+        description: SELECT part of query - columns to select and aggregate
+        example: { "record_value": "sum" }
+      filters:
+        type: object
+        description: WHERE part of query (filters) - All of them are combined with AND
+        example: { "record_value": { "$gt": "300", "$lt": "1000" } }
+      groups:
+        type: object
+        description: GROUP BY part of query
+        example: { "recorded_at": "year" }
+
   RecordingCreation:
     type: object
     required: