!! should format code blocks !!
Testing:
```ts

const t = 5;

test;

```
```
other
```

    const t = 4;

        const t = 5;


    const t = 6;




[expect]
Testing:

```ts
const t = 5;

test;
```

```
other
```

```
const t = 4;

    const t = 5;


const t = 6;
```

!! should format code block inside list !!
1. Testing

    ```
    some code
    ```

[expect]
1. Testing

   ```
   some code
   ```

!! should move an indented code block to a fenced code block !!
Test:

    test

[expect]
Test:

```
test
```
