Allow for labextension develop

Author: martinRenou

.gitignore

@@ -155,3 +155,9 @@ ipycanvas/nbextension/static/index.*
 ipycanvas/labextension
 
 examples/my_scatter.png
+
+# We use yarn
+package-lock.json
+
+# Untitled notebooks
+*Untitled*.ipynb

ipycanvas/__init__.py

@@ -7,4 +7,18 @@
 from .canvas import Path2D, Canvas, RoughCanvas, MultiCanvas, MultiRoughCanvas, hold_canvas  # noqa
 from ._version import __version__, version_info  # noqa
 
-from .nbextension import _jupyter_nbextension_paths  # noqa
+
+def _jupyter_nbextension_paths():
+    return [{
+        'section': 'notebook',
+        'src': 'nbextension/static',
+        'dest': 'ipycanvas',
+        'require': 'ipycanvas/extension'
+    }]
+
+
+def _jupyter_labextension_paths():
+    return [{
+        'src': 'labextension',
+        'dest': 'ipycanvas',
+    }]