Roads: snapToRoads has incorrect URL in spec

The url for snapToRoads is encoded as `/v1/snaptoroads` instead of `/v1/snapToRoads`.

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Please be sure to include as much information as possible:

#### Environment details

1. Specify the API at the beginning of the title (for example, "Places: ...")
2. OS type and version
3. Library version and other environment information

#### Steps to reproduce

1. Open either the yml or json schema
2. Note that the url for snapToRoads is encoded as `/v1/snaptoroads` instead of `/v1/snapToRoads`
3. The lowercase version returns a 404.

#### Code example

```
# example
```

#### Stack trace
```
# example
```

Following these steps will guarantee the quickest resolution possible.

Thanks!

YAML スキーマと JSON スキーマで snapToRoads 操作を検索し、そのエンコードされた URL を確認します。影響を受けるスキーマファイルでパスの大文字と小文字を /v1/snaptoroads から /v1/snapToRoads に修正し、両方のスキーマに修正後のパスが含まれていること、および小文字の URL が存在しなくなっていることを確認します。

索引モデルが issue の本文から書いたものです。