Add contribution information

CONTRIBUTING.md

@@ -13,23 +13,6 @@ The following commands support you at developing good code:
 * `npm run test`: Run the tests
 * `npm run lint`: Run the linter
 
-## Quality Gateway
-
-### SonarCloud
-Find analysis on [sonarcloud.io](https://sonarcloud.io/project/overview?id=pascalre_vscode-yaml-sort)
-
-### DeepSource
-Find analysis on [deepsource.io](https://deepsource.io/gh/pascalre/vscode-yaml-sort)
-
-### CodeFactor
-[![CodeFactor](https://www.codefactor.io/repository/github/pascalre/vscode-yaml-sort/badge/master)](https://www.codefactor.io/repository/github/pascalre/vscode-yaml-sort/overview/master)
-
-Find analysis on [codefactor.io](https://www.codefactor.io/repository/github/pascalre/vscode-yaml-sort/overview/master)
-
-
-## Security
-Find analysis on [snyk.io](https://app.snyk.io/org/pascalre/project/e7d5ea5f-b9ee-426e-9f91-4c910a742838)
-
 ### Commit changes
 Refer to [this blogpost](https://cbea.ms/git-commit/#end) by cbeams when committing changes. Issue numbers can be added in braces to the end of the commit message.
 
@@ -48,4 +31,24 @@ This is done by executing the commands:
 ```
 vsce publish -p TOKEN --packagePath PACKAGE.vsix
 npx ovsx publish -p TOKEN PACKAGE.vsix
-```
+```
+
+Get tokens under:
+* https://code.visualstudio.com/api/working-with-extensions/publishing-extension#get-a-personal-access-token
+* https://open-vsx.org/user-settings/tokens
+
+## Quality Gateway
+### SonarCloud
+Find analysis on [sonarcloud.io](https://sonarcloud.io/project/overview?id=pascalre_vscode-yaml-sort)
+
+### DeepSource
+Find analysis on [deepsource.io](https://deepsource.io/gh/pascalre/vscode-yaml-sort)
+
+### CodeFactor
+[![CodeFactor](https://www.codefactor.io/repository/github/pascalre/vscode-yaml-sort/badge/master)](https://www.codefactor.io/repository/github/pascalre/vscode-yaml-sort/overview/master)
+
+Find analysis on [codefactor.io](https://www.codefactor.io/repository/github/pascalre/vscode-yaml-sort/overview/master)
+
+
+## Security
+Find analysis on [snyk.io](https://app.snyk.io/org/pascalre/project/e7d5ea5f-b9ee-426e-9f91-4c910a742838)