Add file option to secret set CLI command to retrieve secrets from .env or .yaml files

docs/cli/commands/secrets.mdx

@@ -219,6 +219,21 @@ $ infisical secrets set STRIPE_API_KEY=sjdgwkeudyjwe DOMAIN=example.com HASH=jeb
     ```
 
   </Accordion>
+  <Accordion title="--file">
+    Used to set secrets from a file, supporting both `.env` and `YAML` formats. The file path can be either absolute or relative to the current working directory.
+
+    The file should contain secrets in the following formats:
+    - `key=value` for `.env` files
+    - `key: value` for YAML files
+
+    Comments can be written using `# comment` or `// comment`. Empty lines will be ignored during processing.
+
+
+    ```bash
+    # Example
+    infisical secrets set --file="./.env"
+    ```
+  </Accordion>
 </Accordion>
 
 <Accordion title="infisical secrets delete">