csvkit: add page (#3386)

pages/common/csvkit.md

@@ -0,0 +1,21 @@
+# csvkit
+
+> Manipulation toolkit for CSV files.
+> See the individual commands: `csvclean`, `csvcut`, `csvformat`, `csvgrep`, `csvlook`, `csvpy`, `csvsort`, `csvstat`.
+> More information: <https://csvkit.readthedocs.io/en/0.9.1/cli.html>.
+
+- Run a command on a CSV file with a custom delimiter:
+
+`{{cmd}} -d {{delimiter}} {{filename.csv}}`
+
+- Run a command on a CSV file with a tab as a delimiter (overrides -d):
+
+`{{cmd}} -t {{filename.csv}}`
+
+- Run a command on a CSV file with a custom quote character:
+
+`{{cmd}} -q {{quote_char}} {{filename.csv}}`
+
+- Run a command on a CSV file with no header row:
+
+`{{cmd}} -H {{filename.csv}}`