Support yaml-textmate and yaml-tmlanguage languages

* redhat-developer/vscode-yaml#1093

Author: RedCMD

src/languageserver/handlers/settingsHandlers.ts

@@ -167,6 +167,8 @@ export class SettingsHandler {
               { language: 'yaml' },
               { language: 'dockercompose' },
               { language: 'github-actions-workflow' },
+              { language: 'yaml-textmate' },
+              { language: 'yaml-tmlanguage' },
               { pattern: '*.y(a)ml' },
             ],
           });