Add linked qrcode

Change-Id: I6c3b1f4caeb996330d776a23b73a04b3bdf360cf
diff --git a/R/poster.Rmd b/R/poster.Rmd
index cb8d15d..2e7b30f 100644
--- a/R/poster.Rmd
+++ b/R/poster.Rmd
@@ -68,7 +68,8 @@
 author_textsize: "32pt"
 
 contact:
-  qrcode: icc_qrcode.svg
+  qrlink: >
+    `r posterdown::qrlink("https://korap.ids-mannheim.de/instance/icc")`
 
 output:
   posterdown::posterdown_ids:
@@ -80,10 +81,8 @@
 ---
 
 ```{r setup, include=FALSE, echo=FALSE, warning=FALSE}
-library(qrcode)
 knitr::opts_chunk$set(dev = 'svg', echo = FALSE, warnings = FALSE)
 source("common.R")
-generate_svg(qr_code("https://korap.ids-mannheim.de/instance/icc"), "icc_qrcode.svg")
 ```
 # ICC aims & charcteristics