Example comment section may not follow 2024 conventions

[yanganto]

In 2024 conventions, we defined comment sections.
https://docs.sui.io/concepts/sui-move-concepts/conventions

    // === Imports ===
    // === Errors ===
    // === Constants ===
    // === Structs ===
    // === Method Aliases ===
    // === Public-Mutative Functions ===
    // === Public-View Functions ===
    // === Admin Functions ===
    // === Public-Package Functions ===
    // === Private Functions ===
    // === Test Functions ===

Some sections in examples are much abstract and loose details.
ex: // === Public Functions ===, // ===== Entrypoints ===== are ambiguous for view or mutation, and the convention wants to show details about mutability.

Some sections are similar terms with the same meaning.
ex:
// === Private Helpers ===, // === Test Helpers ===, // === Error codes ===, // === Admin-only functions ===, // === Tests ===, // === Internal ===

If the comment sections are well defined, I am happy to make a PR to modify these examples.