feat(stdlibs): add package html (#2802)

<!-- please provide a detailed description of the changes made in this
pull request. -->
related to #1267 
- Implement html golang package.
- Added a silly implementation of strings.Replacer:
Maybe we should optimize it ? I did not wanted to do something complex
as this is not the main point of this pull request

<details><summary>Contributors' checklist...</summary>

- [ ] Added new tests, or not needed, or not feasible
- [ ] Provided an example (e.g. screenshot) to aid review or the PR is
self-explanatory
- [ ] Updated the official documentation or not needed
- [ ] No breaking changes were made, or a `BREAKING CHANGE: xxx` message
was included in the description
- [ ] Added references to related issues and PRs
- [ ] Provided any useful hints for running manual tests
- [ ] Added new benchmarks to [generated
graphs](https://gnoland.github.io/benchmarks), if any. More info
[here](https://github.com/gnolang/gno/blob/master/.benchmarks/README.md).
</details>

docs/reference/go-gno-compatibility.md

@@ -184,7 +184,7 @@ Legend:
 | hash/crc64                                  | `todo`   |
 | hash/fnv                                    | `todo`   |
 | hash/maphash                                | `todo`   |
-| html                                        | `todo`   |
+| html                                        | `full`   |
 | html/template                               | `todo`   |
 | image                                       | `tbd`    |
 | image/color                                 | `tbd`    |