chore(deps): update pre-commit hooks and implement repository improvements (#38)

* Initial plan

* Implement code refactoring, pre-commit enhancements, and documentation improvements

Co-authored-by: ivuorinen <11024+ivuorinen@users.noreply.github.com>

* chore(deps): update pre-commit hooks to latest versions

Co-authored-by: ivuorinen <11024+ivuorinen@users.noreply.github.com>

* docs: fix markdown linting issues in README and CONTRIBUTING

Co-authored-by: ivuorinen <11024+ivuorinen@users.noreply.github.com>

* feat(pre-commit): add editorconfig-checker for code style validation

- Add editorconfig-checker hook to validate .editorconfig rules
- Update .editorconfig to allow 200 char lines in markdown files (aligns with markdownlint config)
- Fix .secrets.baseline to have proper final newline
- All files now pass editorconfig validation

Co-authored-by: ivuorinen <11024+ivuorinen@users.noreply.github.com>

* chore: copilot cr fix in phpenv.fish

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ivuorinen <11024+ivuorinen@users.noreply.github.com>
Co-authored-by: Ismo Vuorinen <ismo@ivuorinen.net>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.secrets.baseline

@@ -0,0 +1,113 @@
+{
+  "version": "1.5.0",
+  "plugins_used": [
+    {
+      "name": "ArtifactoryDetector"
+    },
+    {
+      "name": "AWSKeyDetector"
+    },
+    {
+      "name": "AzureStorageKeyDetector"
+    },
+    {
+      "name": "Base64HighEntropyString",
+      "limit": 4.5
+    },
+    {
+      "name": "BasicAuthDetector"
+    },
+    {
+      "name": "CloudantDetector"
+    },
+    {
+      "name": "DiscordBotTokenDetector"
+    },
+    {
+      "name": "GitHubTokenDetector"
+    },
+    {
+      "name": "HexHighEntropyString",
+      "limit": 3.0
+    },
+    {
+      "name": "IbmCloudIamDetector"
+    },
+    {
+      "name": "IbmCosHmacDetector"
+    },
+    {
+      "name": "JwtTokenDetector"
+    },
+    {
+      "name": "KeywordDetector",
+      "keyword_exclude": ""
+    },
+    {
+      "name": "MailchimpDetector"
+    },
+    {
+      "name": "NpmDetector"
+    },
+    {
+      "name": "PrivateKeyDetector"
+    },
+    {
+      "name": "SendGridDetector"
+    },
+    {
+      "name": "SlackDetector"
+    },
+    {
+      "name": "SoftlayerDetector"
+    },
+    {
+      "name": "SquareOAuthDetector"
+    },
+    {
+      "name": "StripeDetector"
+    },
+    {
+      "name": "TwilioKeyDetector"
+    }
+  ],
+  "filters_used": [
+    {
+      "path": "detect_secrets.filters.allowlist.is_line_allowlisted"
+    },
+    {
+      "path": "detect_secrets.filters.common.is_baseline_file",
+      "filename": ".secrets.baseline"
+    },
+    {
+      "path": "detect_secrets.filters.common.is_ignored_due_to_verification_policies",
+      "min_level": 2
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_likely_id_string"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_lock_file"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_not_alphanumeric_string"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_potential_uuid"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_prefixed_with_dollar_sign"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_sequential_string"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_swagger_file"
+    },
+    {
+      "path": "detect_secrets.filters.heuristic.is_templated_secret"
+    }
+  ],
+  "results": {},
+  "generated_at": "2024-09-26T20:30:00Z"
+}