add data module

tests/data/annotation.json

+[
+    {
+        "filename": "tiger.jpeg",
+        "width": 278,
+        "height": 182
+    }
+]

tests/data/super-resolution.py

+# Copyright (c) OpenMMLab. All rights reserved.
+onnx_config = dict(
+    dynamic_axes={
+        'input': {
+            0: 'batch',
+            2: 'height',
+            3: 'width'
+        },
+        'output': {
+            0: 'batch',
+            2: 'height',
+            3: 'width'
+        }
+    },
+    type='onnx',
+    export_params=True,
+    keep_initializers_as_inputs=False,
+    opset_version=11,
+    save_file='end2end.onnx',
+    input_names=['input'],
+    output_names=['output'],
+    input_shape=None)
+
+codebase_config = dict(type='mmagic', task='SuperResolution')
+backend_config = dict(type='onnxruntime')