Simple notification framework (#297)

* bonfire notifications working

* make interface to make more extensible

* some docs

* typo

* rename typo

pkg/notifications/bonfire.go

@@ -0,0 +1,33 @@
+package notifications
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+)
+
+func init() {
+	initers = append(initers, func(cfg map[string]string) Notifier {
+		if url, ok := cfg["bonfire_url"]; ok {
+			return bonfireNotifier(url)
+		}
+		return nil
+	})
+}
+
+// bonfire notifier for stack exchange internal chat. String is just url with room and token in it
+type bonfireNotifier string
+
+func (b bonfireNotifier) Notify(domain, provider, msg string, err error, preview bool) {
+	var payload string
+	if preview {
+		payload = fmt.Sprintf(`**Preview: %s[%s] -** %s`, domain, provider, msg)
+	} else if err != nil {
+		payload = fmt.Sprintf(`**ERROR running correction on %s[%s] -** (%s) Error: %s`, domain, provider, msg, err)
+	} else {
+		payload = fmt.Sprintf(`Successfully ran correction for %s[%s] - %s`, domain, provider, msg)
+	}
+	http.Post(string(b), "text/markdown", strings.NewReader(payload))
+}
+
+func (b bonfireNotifier) Done() {}