scp: Update formatting

scp.md

@@ -2,6 +2,8 @@
 title: scp
 category: CLI
 layout: 2018/sheet
+authors:
+  - github: vastpeng
 ---
 
 ### Usage
@@ -24,8 +26,12 @@ scp <options> source_path destination_path
 
 ### Commands
 
+```bash
 $ scp file user@host:/path/to/file                        # copying a file to the remote system using scp command
 $ scp user@host:/path/to/file /local/path/to/file         # copying a file from the remote system using scp command
+```
 
+```bash
 $ scp file1 file2 user@host:/path/to/directory            # copying multiple files using scp command
 $ scp -r /path/to/directory user@host:/path/to/directory  # Copying an entire directory with scp command
+```