Added option to use local images

Readme.md

@@ -67,6 +67,17 @@ WARN[0000] Visit http://bob:password1@0.0.0.0:8080
 docker run -it -p 8080:8080 -e USER=bob -e PASSWORD=password1 -v $(pwd)/slides:/app/slides msoedov/hacker-slides
 ```
 
+Use local images
+----
+Store pictures you want to use in the images subfolder, slides/images/ and reference them in the editor as Markdown:
+```
+![demoPicture](../../images/demo.png)
+```
+or as HTML:
+```
+<img src="../../images/demo.png">
+```
+
 Getting Help
 ------------
 

main.go

@@ -31,6 +31,7 @@ func NewApp() *gin.Engine {
 
 	r.LoadHTMLGlob("templates/*.tmpl")
 	r.Static("/static", "./static")
+	r.Static("/images", "./slides/images")
 
 	r.GET("/", func(c *gin.Context) {
 		isNew := c.Query("new")