[Feature][API] 增加API用于创建仓库获取预定义选项列表：ReadMe, Object Format

* Added APIs to display creating repo option lists

routers/api/v1/api.go

@@ -919,6 +919,8 @@ func Routes() *web.Router {
 			m.Get("/licenses/{name}", misc.GetLicenseTemplateInfo)
 			m.Get("/label/templates", misc.ListLabelTemplates)
 			m.Get("/label/templates/{name}", misc.GetLabelTemplate)
+			m.Get("/readme/templates", misc.ListReadMeTemplates) // DevStar 新增API: 列举当前所有的 ReadMe 模板
+			m.Get("/object_formats", misc.ListObjectFormats)     // DevStar 新增API: 列举当前所有的 Object Formats
 
 			m.Group("/settings", func() {
 				m.Get("/ui", settings.GetGeneralUISettings)

routers/api/v1/misc/object_formats.go

@@ -0,0 +1,35 @@
+package misc
+
+import (
+	"code.gitea.io/gitea/modules/git"
+	Result "code.gitea.io/gitea/routers/entity"
+	"code.gitea.io/gitea/services/context"
+)
+
+// ObjectFormatType 定义返回API格式
+type ObjectFormatType struct {
+	Name string `json:"name"`
+}
+
+// ListObjectFormats 返回 Object Formats 列表
+func ListObjectFormats(ctx *context.APIContext) {
+
+	objectFormatList := git.DefaultFeatures().SupportedObjectFormats
+
+	var objectFormatNameList []ObjectFormatType
+	for _, format := range objectFormatList {
+		objectFormatNameList = append(objectFormatNameList,
+			ObjectFormatType{
+				Name: format.Name(),
+			},
+		)
+	}
+
+	resp := Result.ResultType{
+		Code: Result.RespSuccess.Code,
+		Msg:  Result.RespSuccess.Msg,
+		Data: objectFormatNameList,
+	}
+	resp.RespondJson2HttpResponseWriter(ctx.Resp)
+	return
+}

routers/api/v1/misc/readme_templates.go

@@ -0,0 +1,33 @@
+package misc
+
+import (
+	repo_module "code.gitea.io/gitea/modules/repository"
+	Result "code.gitea.io/gitea/routers/entity"
+	"code.gitea.io/gitea/services/context"
+)
+
+// ReadMeTemplateType 定义返回API格式
+type ReadMeTemplateType struct {
+	Name string `json:"name"`
+}
+
+// ListReadMeTemplates 返回 ReadMe 模板列表
+func ListReadMeTemplates(ctx *context.APIContext) {
+	var readMeTemplateList []ReadMeTemplateType
+
+	for _, readMeTemplate := range repo_module.Readmes {
+		readMeTemplateList = append(readMeTemplateList,
+			ReadMeTemplateType{
+				Name: readMeTemplate,
+			},
+		)
+	}
+
+	resp := Result.ResultType{
+		Code: Result.RespSuccess.Code,
+		Msg:  Result.RespSuccess.Msg,
+		Data: readMeTemplateList,
+	}
+	resp.RespondJson2HttpResponseWriter(ctx.Resp)
+	return
+}