F# style guide concerning do! indents + docs issue

### Type of issue

Other (describe below)

### Description

This ticket pertains to the F# code style guide and the linked documentation article.

The article says:

> Here's an example with do! using two spaces of indentation (because with do! there is coincidentally no difference between the approaches when using four spaces of indentation):

```fsharp
// ✔️ OK
async {
let! foo =
fooBarBaz
|> loremIpsumDolorSitAmet
|> theQuickBrownFoxJumpedOverTheLazyDog

do!
fooBarBaz
|> loremIpsumDolorSitAmet
|> theQuickBrownFoxJumpedOverTheLazyDog
}
```

```fsharp
// ❌ Not OK - notice the "do!" expression is indented two spaces more than the `let!` expression
async {
let! foo =
fooBarBaz
|> loremIpsumDolorSitAmet
|> theQuickBrownFoxJumpedOverTheLazyDog
do! fooBarBaz
|> loremIpsumDolorSitAmet
|> theQuickBrownFoxJumpedOverTheLazyDog
}
```
*My comments:*
There is a difference when using 4 spaces, because `do! ` works out to be exactly 4 characters.
The "bad example" becomes aligned and takes up less space:

```fsharp
async {
let! foo =
fooBarBaz
|> loremIpsumDolorSitAmet
|> theQuickBrownFoxJumpedOverTheLazyDog
do! fooBarBaz
|> loremIpsumDolorSitAmet
|> theQuickBrownFoxJumpedOverTheLazyDog
} |> ignore
```

I have encountered this issue when working with async and other CTES. The new lines inserted after do! don't affect alignment and reduce information density.

Here's an abbreviated version of some of my code. It's formatted by Fantomas with default settings.

```fsharp
// [...]
match relatedParent with
| Some parent ->
do!
writeRelated
httpClient
host
ctx
siteId
targetId
(cast ctx)
[| parent.Id |]
| _ -> ()

do!
writeRelated
httpClient
host
"en"

do!
writeRelated
httpClient
host
"en"

if someRelatedDataVals.Length > 0 then
do!
writeRelated
httpClient
host
"en"
dataCxt
siteId

do!
publish httpClient host "en" scope siteId targetId
|> AsyncResult.ignore
```

Here's how the same code would look like with the change.

```fsharp
// [...]
match relatedParent with
| Some parent ->
do! writeRelated
httpClient
host
ctx
siteId
targetId
(cast ctx)
[| parent.Id |]
| _ -> ()

do! writeRelated
httpClient
host
"en"

do! writeRelated
httpClient
host
"en"

if someRelatedDataVals.Length > 0 then
do! writeRelated
httpClient
host
"en"
dataCxt
siteId

do! publish httpClient host "en" scope siteId targetId
|> AsyncResult.ignore
```

### Page URL

https://learn.microsoft.com/en-us/dotnet/fsharp/style-guide/formatting

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/fsharp/style-guide/formatting.md

### Document Version Independent Id

1efdd523-8552-6421-e149-74f76826ef8f

### Article author

@KathleenDollard

### Metadata

* ID: 8c09996f-24ac-cf39-ef43-d7909cbc2b89
* Service: **dotnet-fsharp**