refactor: reorganize modules and add Linux build tooling

module/base/sender/internal/server/mail_server.go

@@ -0,0 +1,20 @@
+// Code generated by protoc-gen-slc. DO NOT EDIT.
+package server
+
+import (
+	"context"
+	"bsm/full/module/base/sender/internal/logic/mail"
+	pb "bsm/full/module/base/sender/pb"
+)
+
+type MailServer struct {
+	pb.UnimplementedMailServer
+}
+
+func NewMailServer() *MailServer {
+	return &MailServer{}
+}
+
+func (s *MailServer) Send(ctx context.Context, in *pb.SendMailRequest) (*pb.SendMailReply, error) {
+	return mail.Send(ctx, in)
+}