feat: add reset reason string

[heinwessels-philips]

Adds basic deduction of reason reason and returns a string. This is useful for applications that wants to print the reset reason on boot, and should handle all the different variants of reset reasons by different ST MCUs.

[github-actions]

✅⚠️MegaLinter analysis: Success with warnings

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	6		0	0	0.34s
✅ CPP	clang-format	15	2	0	0	0.55s
✅ CPP	cppcheck	15		0	0	0.89s
✅ DOCKERFILE	hadolint	1		0	0	0.28s
✅ JSON	jsonlint	7		0	0	0.17s
✅ JSON	prettier	7	2	0	0	0.86s
⚠️ MARKDOWN	markdownlint	6	1	10	0	1.15s
✅ MARKDOWN	markdown-table-formatter	6	1	0	0	0.57s
✅ REPOSITORY	checkov	yes		no	no	28.14s
✅ REPOSITORY	git_diff	yes		no	no	0.17s
✅ REPOSITORY	grype	yes		no	no	26.09s
✅ REPOSITORY	ls-lint	yes		no	no	0.06s
✅ REPOSITORY	secretlint	yes		no	no	41.42s
✅ REPOSITORY	syft	yes		no	no	1.23s
✅ REPOSITORY	trivy	yes		no	no	6.06s
✅ REPOSITORY	trivy-sbom	yes		no	no	1.2s
✅ REPOSITORY	trufflehog	yes		no	no	7.83s
⚠️ SPELL	lychee	33		1	0	73.71s
✅ YAML	prettier	9	1	0	0	0.73s
✅ YAML	v8r	9		0	0	4.0s
✅ YAML	yamllint	9		0	0	0.43s

Detailed Issues

⚠️ SPELL / lychee - 1 error

[ERROR] http://mcd.rou.st.com/modules.php?name=mcu | Network error: error sending request for url (http://mcd.rou.st.com/modules.php?name=mcu) Maybe a certificate error?
[IGNORED] tcp://localhost:1234/target/echo/programmer | Unsupported: Error creating request client: builder error for url (tcp://localhost:1234/target/echo/programmer)
[TIMEOUT] https://st.com/ | Timeout
📝 Summary
---------------------
🔍 Total..........238
✅ Successful.....235
⏳ Timeouts.........1
🔀 Redirected.......0
👻 Excluded.........0
❓ Unknown..........0
🚫 Errors...........1

Errors in .github/ISSUE_TEMPLATE/add-or-update-hal-driver.md
[ERROR] http://mcd.rou.st.com/modules.php?name=mcu | Network error: error sending request for url (http://mcd.rou.st.com/modules.php?name=mcu) Maybe a certificate error?

Errors in README.md
[TIMEOUT] https://st.com/ | Timeout

⚠️ MARKDOWN / markdownlint - 10 errors

.github/ISSUE_TEMPLATE/add-or-update-hal-driver.md:10 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: "How to import a HAL driver"]
CHANGELOG.md:83 MD024/no-duplicate-heading Multiple headings with the same content [Context: "⚠ BREAKING CHANGES"]
CHANGELOG.md:87 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:94 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Bug Fixes"]
CHANGELOG.md:103 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:122 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Bug Fixes"]
CHANGELOG.md:140 MD024/no-duplicate-heading Multiple headings with the same content [Context: "⚠ BREAKING CHANGES"]
CHANGELOG.md:144 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:151 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:162 MD024/no-duplicate-heading Multiple headings with the same content [Context: "Bug Fixes"]

See detailed reports in MegaLinter artifacts

Your project could benefit from a custom flavor, which would allow you to run only the linters you need, and thus improve runtime performances. (Skip this info by defining FLAVOR_SUGGESTIONS: false)

• Documentation: Custom Flavors
• Command: npx [email protected] --custom-flavor-setup --custom-flavor-linters ACTION_ACTIONLINT,CPP_CPPCHECK,CPP_CLANG_FORMAT,DOCKERFILE_HADOLINT,JSON_JSONLINT,JSON_PRETTIER,MARKDOWN_MARKDOWNLINT,MARKDOWN_MARKDOWN_TABLE_FORMATTER,REPOSITORY_CHECKOV,REPOSITORY_GIT_DIFF,REPOSITORY_GRYPE,REPOSITORY_LS_LINT,REPOSITORY_SECRETLINT,REPOSITORY_SYFT,REPOSITORY_TRIVY,REPOSITORY_TRIVY_SBOM,REPOSITORY_TRUFFLEHOG,SPELL_LYCHEE,YAML_PRETTIER,YAML_YAMLLINT,YAML_V8R