Add config option MediaUploadPath

MediaServerPath can be used instead of MediaServerUpload, for when your
webserver is on the same system as matterbridge and matterbridge has
write access to the serve dir.

bridge/config/config.go

@@ -2,14 +2,15 @@ package config
 
 import (
 	"bytes"
-	"github.com/fsnotify/fsnotify"
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/viper"
-	prefixed "github.com/x-cray/logrus-prefixed-formatter"
 	"os"
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/fsnotify/fsnotify"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+	prefixed "github.com/x-cray/logrus-prefixed-formatter"
 )
 
 const (
@@ -76,6 +77,7 @@ type Protocol struct {
 	MediaDownloadSize      int    // all protocols
 	MediaServerDownload    string
 	MediaServerUpload      string
+	MediaServerPath        string     // Basically MediaServerUpload, but instead of uploading it, just write it to a file on the same server.
 	MessageDelay           int        // IRC, time in millisecond to wait between messages
 	MessageFormat          string     // telegram
 	MessageLength          int        // IRC, max length of a message allowed