Pr/avatar (#319)

* feat: add avatar api
close #310

* chore: add description line

* fix: typo

* chore: reformat the json string to make it more readable and fix few bad indents

* fix: minimum go version

* feat: upload to Micro's CDN

* chore: delete redundant blank line

* chore: update README.md

avatar/proto/avatar.pb.micro.go

@@ -0,0 +1,93 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: proto/avatar.proto
+
+package avatar
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
+
+import (
+	context "context"
+	api "github.com/micro/micro/v3/service/api"
+	client "github.com/micro/micro/v3/service/client"
+	server "github.com/micro/micro/v3/service/server"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ api.Endpoint
+var _ context.Context
+var _ client.Option
+var _ server.Option
+
+// Api Endpoints for Avatar service
+
+func NewAvatarEndpoints() []*api.Endpoint {
+	return []*api.Endpoint{}
+}
+
+// Client API for Avatar service
+
+type AvatarService interface {
+	Generate(ctx context.Context, in *GenerateRequest, opts ...client.CallOption) (*GenerateResponse, error)
+}
+
+type avatarService struct {
+	c    client.Client
+	name string
+}
+
+func NewAvatarService(name string, c client.Client) AvatarService {
+	return &avatarService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *avatarService) Generate(ctx context.Context, in *GenerateRequest, opts ...client.CallOption) (*GenerateResponse, error) {
+	req := c.c.NewRequest(c.name, "Avatar.Generate", in)
+	out := new(GenerateResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Avatar service
+
+type AvatarHandler interface {
+	Generate(context.Context, *GenerateRequest, *GenerateResponse) error
+}
+
+func RegisterAvatarHandler(s server.Server, hdlr AvatarHandler, opts ...server.HandlerOption) error {
+	type avatar interface {
+		Generate(ctx context.Context, in *GenerateRequest, out *GenerateResponse) error
+	}
+	type Avatar struct {
+		avatar
+	}
+	h := &avatarHandler{hdlr}
+	return s.Handle(s.NewHandler(&Avatar{h}, opts...))
+}
+
+type avatarHandler struct {
+	AvatarHandler
+}
+
+func (h *avatarHandler) Generate(ctx context.Context, in *GenerateRequest, out *GenerateResponse) error {
+	return h.AvatarHandler.Generate(ctx, in, out)
+}