change formatting

input examples are now given as

```bash
input $ARG1
```

While outputs use md's '> ' sign as a quote.

data/git-lfs.md

@@ -5,14 +5,20 @@ tags: [ "Documentation", "data" ]
 
 Install, and add with
 
-> git lfs install
+```bash
+git lfs install
+```
 
 Then track some filetype with:
 
-> git lfs track "\*.ttf"
+```bash
+git lfs track "\*.ttf"
+```
 
 Or a directory with:
 
-> git lfs track "images/"
+```bash
+git lfs track "images/"
+```
 
 All changes require adding `.gitattributes`.