kaggle: add page (#3901)

pages/common/kaggle.md

@@ -0,0 +1,12 @@
+# kaggle
+
+> Official CLI for Kaggle implemented in Python 3.
+> More information: <https://github.com/Kaggle/kaggle-api>.
+
+- View current configuration values:
+
+`kaggle config view`
+
+- Download a specific file from a competition dataset:
+
+`kaggle competitions download {{competition}} -f {{filename}}`