fix: failing mdlint checks

Author: sfc-gh-vtimofeenko

demos/access-cortex-agent-from-spcs/README.md

@@ -9,7 +9,6 @@ the container includes `python` and `uv`.
 The two versions of the script in this directory contain the same code, but [one][2]
 uses `nix shell` (suitable for flakes) and [the other][3] uses standard `nix-shell`.
 
-
 [1]: https://docs.snowflake.com/en/user-guide/snowflake-cortex/cortex-agents-rest-api
 [2]: ./runme-nix-command
 [3]: ./runme-nix-shell

demos/snowcli-from-spcs/README.md

@@ -3,7 +3,6 @@ The default nix-based image provides [Snowflake CLI][index].
 It can be used to connect to Snowflake like so:
 
 ```shell
-
 echo "[connections.default]" | /bin/snow \
     --config-file /dev/stdin \
     sql \
@@ -19,5 +18,4 @@ Optional additions:
 - `--format json` to print results as JSON
 - Pipe to `jq` for pretty printing/parsing
 
-
 [index]: https://docs.snowflake.com/en/developer-guide/snowflake-cli/index