Add Makefile / .drone.yml, use go module with vendor (#20)

* add Makefile / .drone.yml, use go module with vendor

* Update .drone.yml

Co-Authored-By: lunny <xiaolunwen@gmail.com>

vendor/code.gitea.io/sdk/gitea/repo_watch.go

@@ -0,0 +1,41 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitea
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+)
+
+// WatchInfo represents an API watch status of one repository
+type WatchInfo struct {
+	Subscribed    bool        `json:"subscribed"`
+	Ignored       bool        `json:"ignored"`
+	Reason        interface{} `json:"reason"`
+	CreatedAt     time.Time   `json:"created_at"`
+	URL           string      `json:"url"`
+	RepositoryURL string      `json:"repository_url"`
+}
+
+// GetWatchedRepos list all the watched repos of user
+func (c *Client) GetWatchedRepos(user, pass string) ([]*Repository, error) {
+	repos := make([]*Repository, 0, 10)
+	return repos, c.getParsedResponse("GET", fmt.Sprintf("/users/%s/subscriptions", user),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil, &repos)
+}
+
+// WatchRepo start to watch a repository
+func (c *Client) WatchRepo(user, pass, repoUser, repoName string) (*WatchInfo, error) {
+	i := new(WatchInfo)
+	return i, c.getParsedResponse("PUT", fmt.Sprintf("/repos/%s/%s/subscription", repoUser, repoName),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil, i)
+}
+
+// UnWatchRepo start to watch a repository
+func (c *Client) UnWatchRepo(user, pass, repoUser, repoName string) (int, error) {
+	return c.getStatusCode("DELETE", fmt.Sprintf("/repos/%s/%s/subscription", repoUser, repoName),
+		http.Header{"Authorization": []string{"Basic " + BasicAuthEncode(user, pass)}}, nil)
+}