Update docs for input functionality (#85)

* update-input

* Update docs/get-started/sample-tests.md

Co-authored-by: Manny Silva <[email protected]>

* Update docs/get-started/tests/index.mdx

Co-authored-by: Manny Silva <[email protected]>

---------

Co-authored-by: Manny Silva <[email protected]>

Author: oddlittlebird

docs/get-started/sample-tests.md

@@ -24,6 +24,12 @@ By default, Doc Detective scans the current directory for valid tests, but you c
 npx doc-detective --input doc-content-inline-tests.md
 ```
 
+If you have test files in multiple directories or want to specify multiple files, then enter them separated with commas:
+
+```bash
+npx doc-detective --input doc-content-inline-tests.md,/apis/api-tests.md
+```
+
 To customize your test, file type, and directory options, create a `.doc-detective.json` [config](/docs/references/schemas/config) file. If a `.doc-detective.json` file exists in the directory when you run the comment, Doc Detective loads the config. Otherwise, you can specify a config path with the `--config` argument.
 
 ```bash

docs/get-started/tests/index.mdx

@@ -581,6 +581,14 @@ npx doc-detective --input https://doc-detective.com/sample.spec.json
 
 These tests run the same way as local tests, but Doc Detective fetches the test file from the specified URL and stores it in a temporary directory. The URL must be accessible to the machine running the tests.
 
+### Run tests with multiple files
+
+You can run tests using multiple files in multiple directories. Add as many comma-separated input values as necessary.
+
+```bash
+npx doc-detective --input inline-tests.md,https://doc-detective.com/sample.spec.json,./samples/doc-content.md
+```
+
 ## Read the results
 
 Doc Detective outputs test results to a `testResults-<timestamp>.json` file in your `output` directory. You can also specify your output directory with the `--output` flag: