update git location

app/views/plans/index.ctp

@@ -12,7 +12,7 @@
 
 <div style="font-size:small; float:right;">
   immerda.ch - <a href=
-  "http://git.immerda.ch/schichtplan">src</a><br>
+  "https://code.immerda.ch/immerda/apps/schichtplan">src</a><br>
 </div><br>
 
 <div style="position:absolute;bottom:0;right:0;">