Update README.md

Author: yunchengyang515

README.md

@@ -1,11 +1,7 @@
 # stackql-assert
 
-The `stackql/stackql-assert` action is a JavaScript action that sets up StackQL CLI in your GitHub Actions workflow by:
+The `stackql/stackql-assert` action is an composite action that runs stackql query and check if result matches expected result
 
-- Downloading a latest Stackql CLI and adding it to the `PATH`.
-- Setup AUTH env var in the Github Action
-
-This action can be run on `ubuntu-latest`, `windows-latest`, and `macos-latest` GitHub Actions runners, and will install and expose the latest version of the `stackql` CLI on the runner environment.  
 
 # Usage
 
@@ -45,4 +41,4 @@ env:
 - `test_query_path` - Path to the test query file.
 - `expected_rows` - Expected number of rows in the result.
 - `expected_results_str` - expected result from executing test query, support object string (overrides expected_results_file_path)
-- `expected_results_file_path` - file that stores expected result, json is support
+- `expected_results_file_path` - file that stores expected result, json is support