Fix config parsing

config/config.go

@@ -5,9 +5,9 @@ var Config = struct {
 	GitHub struct {
 		ClientID     string `required:"true" yaml:"client_id"`
 		ClientSecret string `required:"true" yaml:"client_secret"`
-	}
+	} `yaml:"GitHub"`
 	Web struct {
 		Host string `yaml:"host"`
 		Port int    `yaml:"port"`
-	}
+	} `yaml:"Web"`
 }{}

config/config_test.go

@@ -0,0 +1,11 @@
+package config
+
+import (
+	"github.com/jinzhu/configor"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestReadConfig(t *testing.T) {
+	assert.NoError(t, configor.New(&configor.Config{ErrorOnUnmatchedKeys: true}).Load(&Config, "../config.example.yml"), "Parse example config failed.")
+}