Fix broken URLs in tool definitions

- Fix working URLs by updating to GitHub repositories:
  - linter-for-dart.yml: Update homepage to GitHub repo
  - fsharplint.yml: Update homepage to GitHub repo
  - statix.yml: Update homepage to GitHub repo
  - cpplint.yml: Update to current cpplint repository
  - specificity-graph.yml: Update homepage to GitHub repo
  - twiggy.yml: Update homepage to GitHub repo

- Mark tools as deprecated for broken/unavailable services:
  - bugprove.yml: Domain unreachable
  - steady.yml: GitHub Pages site not found
  - hasmysecretleaked.yml: Gateway timeout
  - betterscan.yml: Website unreachable and repo archived
  - kubeval.yml: Domain unreachable
  - scrutinizer.yml: Service unavailable

Fixes link checker errors reported in GitHub Actions.

Author: mre

data/tools/betterscan.yml

@@ -21,9 +21,10 @@ tags:
   - typescript
   - python
   - security
-license: AGPL-3.0 
+license: AGPL-3.0
 types:
   - cli
+deprecated: true
 source: "https://github.com/tcosolutions/betterscan-ce"
 homepage: "https://github.com/tcosolutions/betterscan-ce"
 plans:

data/tools/bugprove.yml

@@ -6,12 +6,13 @@ tags:
   - binary
   - c
   - cpp
-  - security  
+  - security
 license: proprietary
 types:
   - cli
 plans:
   free: true
+deprecated: true
 homepage: "https://www.bugprove.com"
 description: >-
   BugProve is a firmware analysis platform featuring both static and dynamic analysis

data/tools/cpplint.yml

@@ -7,6 +7,6 @@ tags:
 license: Apache-2.0
 types:
   - cli
-source: 'https://github.com/google/styleguide/tree/gh-pages/cpplint'
-homepage: 'https://github.com/google/styleguide/tree/gh-pages/cpplint'
+source: "https://github.com/cpplint/cpplint"
+homepage: "https://github.com/cpplint/cpplint"
 description: Automated C++ checker that follows Google's style guide.

data/tools/fsharplint.yml

@@ -6,6 +6,6 @@ tags:
 license: MIT License
 types:
   - cli
-source: 'https://github.com/fsprojects/FSharpLint'
-homepage: 'https://fsprojects.github.io/FSharpLint'
+source: "https://github.com/fsprojects/FSharpLint"
+homepage: "https://github.com/fsprojects/FSharpLint"
 description: Lint tool for F#.

data/tools/hasmysecretleaked.yml

@@ -8,8 +8,9 @@ license: proprietary
 types:
   - cli
   - service
-homepage: 'https://gitguardian.com/hasmysecretleaked'
-source: 'https://github.com/GitGuardian/ggshield'
+deprecated: true
+homepage: "https://gitguardian.com/hasmysecretleaked"
+source: "https://github.com/GitGuardian/ggshield"
 description: >-
   HasMySecretLeaked is a project from GitGuardian that aims to help individual users
   and organizations search across 20 million exposed secrets to verify if their 

data/tools/kubeval.yml

@@ -6,6 +6,7 @@ tags:
 license: Other
 types:
   - cli
+deprecated: true
 source: "https://github.com/instrumenta/kubeval"
 homepage: "https://kubeval.instrumenta.dev"
 description: >-

data/tools/linter-for-dart.yml

@@ -6,6 +6,6 @@ tags:
 license: BSD 3-Clause "New" or "Revised" License
 types:
   - cli
-source: 'https://github.com/dart-lang/linter'
-homepage: 'https://dart-lang.github.io/linter'
+source: "https://github.com/dart-lang/linter"
+homepage: "https://github.com/dart-lang/linter"
 description: Style linter for Dart.

data/tools/scrutinizer.yml

@@ -13,6 +13,7 @@ tags:
 license: proprietary
 types:
   - service
+deprecated: true
 homepage: https://scrutinizer-ci.com
 description: >-
   A proprietary code quality checker that can be integrated with GitHub.

data/tools/specificity-graph.yml

@@ -6,6 +6,6 @@ tags:
 license: MIT License
 types:
   - cli
-source: 'https://github.com/pocketjoso/specificity-graph'
-homepage: 'https://jonassebastianohlsson.com/specificity-graph'
+source: "https://github.com/pocketjoso/specificity-graph"
+homepage: "https://github.com/pocketjoso/specificity-graph"
 description: CSS Specificity Graph Generator.

data/tools/statix.yml

@@ -5,9 +5,9 @@ tags:
   - nix
 license: MIT
 types:
-  - cli 
-source: 'https://github.com/nerdypepper/statix'
-homepage: 'https://git.peppe.rs/languages/statix/about/'
+  - cli
+source: "https://github.com/nerdypepper/statix"
+homepage: "https://github.com/nerdypepper/statix"
 description: >-
   Lints and suggestions for the Nix programming language.
   "statix check" highlights antipatterns in Nix code. "statix fix" can fix several such occurrences.