snowsql: add page (#9519)

pages/common/snowsql.md

@@ -0,0 +1,24 @@
+# snowsql
+
+> SnowSQL command-line client for Snowflake's Data Cloud.
+> More information: <https://docs.snowflake.com/en/user-guide/snowsql.html>.
+
+- Connect to a specific instance at <https://account.snowflakecomputing.com> (password can be provided in prompt or configuration file):
+
+`snowsql --accountname {{account}} --username {{username}} --dbname {{database}} --schemaname {{schema}}`
+
+- Connect to an instance specified by a specific configuration file (defaults to `~/.snowsql/config`):
+
+`snowsql --config {{path/to/configuration_file}}`
+
+- Connect to the default instance using a token for multi-factor authentication:
+
+`snowsql --mfa-passcode {{token}}`
+
+- Execute a single SQL query or SnowSQL command on the default connection (useful in shell scripts):
+
+`snowsql --query '{{query}}'`
+
+- Execute commands from a specific file on the default connection:
+
+`snowsql --filename {{path/to/file.sql}}`