Update to HTTPS all the links working with that protocol

Merge pull request #112 from mgrojo/lychee-link-checker

New better link checker and dead links fixed

Remove deprecated a2js. Added adawebui.

Recommended by author. See https://github.com/godunko/matreshka/issues/2

Fix broken links detected by lychee-action

Use lycheeverse/lychee-action which gives less false positives

Run only once a week and first lint, then link check

Merge pull request #109 from ohenley/add-main-heading

Add main heading and new badge

Add main heading and new badge

This will remove this awesome-lint error:

```
README.md:1:1:   Missing main list heading                                    remark-lint:awesome-heading
```

Merge pull request #110 from ohenley/fix-synth-lib-double-link

Remove double-link reported by awesome-lint

Remove double-link reported by awesome-lint

Left only in the Embedded section, since it of most interest in that area than as a general sound library.

```
README.md:592:3:   https://github.com/raph-amiard/ada-synth-lib                 remark-lint:double-link
README.md:653:3:   https://github.com/raph-amiard/ada-synth-lib                 remark-lint:double-link
```
See issue #107

Fix TOC problems reported by awesome-lint

See issue #107

Fix some issues reported by lint-awesome

These issues go in the categories:
- Important ones to be solved.
- Puristic ones easy to solve.
See issue #107

Fix path to link_checker_config.json

Path is interpreted relative to the repository root and not to the containing directory.

Update README.md

normalize logo

Link checker: configuration to ignore adaic.org

Ignore adaic.org while it returns status 0.

Add the logo maker website

Merge pull request #104 from mgrojo/master

Action for link checker and lint, plus fixed broken links

Fixed broken links