Fix 500 when repo has invalid .editorconfig

Creating a notice instead

routers/repo/middlewares.go

@@ -0,0 +1,23 @@
+package repo
+
+import (
+	"fmt"
+
+	"github.com/go-gitea/gitea/models"
+	"github.com/go-gitea/gitea/modules/context"
+	"github.com/gogits/git-module"
+)
+
+func setEditorconfigIfExists(ctx *context.Context) {
+	ec, err := ctx.Repo.GetEditorconfig()
+
+	if err != nil && !git.IsErrNotExist(err) {
+		description := fmt.Sprintf("Error while getting .editorconfig file: %v", err)
+		if err := models.CreateRepositoryNotice(description); err != nil {
+			ctx.Handle(500, "ErrCreatingReporitoryNotice", err)
+		}
+		return
+	}
+
+	ctx.Data["Editorconfig"] = ec
+}