feat: Add goctl quickstart (#1889)

* Add goctl quickstart

* Format code

* Format code

tools/goctl/quickstart/idl/apilogic.tpl

@@ -0,0 +1,35 @@
+package logic
+
+import (
+    "context"
+
+    "github.com/zeromicro/go-zero/core/logx"
+    "greet/api/internal/svc"
+    "greet/api/internal/types"
+    {{if .callRPC}}"greet/rpc/greet"
+{{end}}
+)
+
+type PingLogic struct {
+    logx.Logger
+    ctx    context.Context
+    svcCtx *svc.ServiceContext
+}
+
+func NewPingLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PingLogic {
+    return &PingLogic{
+        Logger: logx.WithContext(ctx),
+        ctx:    ctx,
+        svcCtx: svcCtx,
+    }
+}
+
+func (l *PingLogic) Ping() (resp *types.Resp, err error) {
+    {{if .callRPC}}if _, err = l.svcCtx.GreetRpc.Ping(l.ctx, &greet.Placeholder{});err !=nil {
+        return
+    }{{end}}
+    resp = new(types.Resp)
+    resp.Msg = "pong"
+
+    return
+}