feat(typescript): generate .gitattributes file

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptClientCodegen.java

@@ -140,6 +140,7 @@ public TypeScriptClientCodegen() {
         supportModelPropertyNaming(CodegenConstants.MODEL_PROPERTY_NAMING_TYPE.camelCase);
 
         // Git
+        supportingFiles.add(new SupportingFile(".gitattributes.mustache", "", ".gitattributes"));
         supportingFiles.add(new SupportingFile(".gitignore.mustache", "", ".gitignore"));
         supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
 

modules/openapi-generator/src/main/resources/typescript/.gitattributes.mustache

@@ -0,0 +1,8 @@
+**/* linguist-generated
+*.md linguist-documentation
+
+.gitattributes text
+.gitattributes export-ignore
+
+.gitignore text
+.gitignore export-ignore