chore: use swift-native doc comments

[ChiragAgg5k]

What does this PR do?

uses swift-native doc comments instead of jsdoc styled comments for apple and swift sdks.

uses this doc as the reference from official swift repository - https://github.com/swiftlang/swift/blob/main/docs/DocumentationComments.md

Test Plan

before:

after:

Related PRs and Issues

Have you read the Contributing Guidelines on issues?

yes.

[Copilot]

Pull Request Overview

This PR changes the service template comments in both Swift and Apple SDKs to use native Swift documentation conventions instead of JSDoc-style tags.

• Replaces @param with a - Parameters: section and bullet list items.
• Updates @throws and @return tags to - Throws: and - Returns: respectively.
• Applies these changes to both templates/swift and templates/apple service templates.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
templates/swift/Sources/Services/Service.swift.twig	Updated doc comments to Swift-native style (Parameters/Throws/Returns)
templates/apple/Sources/Services/Service.swift.twig	Mirrored Swift-native doc comment updates for Apple SDK template

Comments suppressed due to low confidence (4)

templates/swift/Sources/Services/Service.swift.twig:24

• Swift uses the Error protocol rather than the term Exception; update this to reference Error or the specific error type thrown by the service.

    /// - Throws: Exception if the request fails

templates/apple/Sources/Services/Service.swift.twig:24

• Swift uses the Error protocol rather than the term Exception; update this to reference Error or the specific error type thrown by the service.

    /// - Throws: Exception if the request fails