restructuring and better debug

start-server.sh

@@ -1,6 +1,17 @@
 #!/bin/bash
 set -e
 
-bash build.sh
+if test "$1" == "" || test "$1" == "release"; then
+    bash build.sh
+elif test "$1" == "debug"; then
+    wasm-pack build --target web --debug --no-typescript
+
+    rm -fr tmp | true #delete tmp folder if exists
+    mkdir tmp tmp/pkg
+    cp -r pkg/integral_site_bg.wasm pkg/integral_site.js tmp/pkg/
+    cp www/index.html www/style.css tmp/
+
+    sed -i 's/\.\.\/pkg/\.\/pkg/g' tmp/index.html
+fi
 
 basic-http-server tmp/