Add nbdev (#1427)

Author: dster2

Dockerfile.tmpl

@@ -496,6 +496,7 @@ RUN rm -rf /opt/conda/lib/python3.10/site-packages/numpy* && \
         flask \
         # pycrypto is used by competitions team.
         pycryptodome \
+	nbdev \
         easyocr \
         onnx \
         tables \

tests/test_nbdev.py

@@ -0,0 +1,8 @@
+import unittest
+
+import nbdev
+
+class TestNbdev(unittest.TestCase):
+    def test(self):
+        self.assertGreater(len(nbdev.__version__), 0)
+