rpmmd: make the on-disk format match the use

The 'id' field in the json files is exposed as 'name' in the weldr API,
and that is now its only use. Rename it to match.

Signed-off-by: Tom Gundersen <teg@jklm.no>

internal/rpmmd/repository.go

@@ -16,7 +16,7 @@ import (
 )
 
 type repository struct {
-	Id         string `json:"id"`
+	Name       string `json:"name"`
 	BaseURL    string `json:"baseurl,omitempty"`
 	Metalink   string `json:"metalink,omitempty"`
 	MirrorList string `json:"mirrorlist,omitempty"`
@@ -210,7 +210,7 @@ func LoadRepositories(confPaths []string, distro string) (map[string][]RepoConfi
 	for arch, repos := range reposMap {
 		for _, repo := range repos {
 			config := RepoConfig{
-				Name:       repo.Id,
+				Name:       repo.Name,
 				BaseURL:    repo.BaseURL,
 				Metalink:   repo.Metalink,
 				MirrorList: repo.MirrorList,