Make startDemo.sh use Makefile

startDemo.sh

@@ -4,21 +4,16 @@ if [ -d './var' ]; then
     echo 'Directory ./var already exists! Skipping initialization.'
     ./cc-backend --server --dev
 else
-    mkdir ./var
-    cd ./var
+    make
 
+    cd var
     wget https://hpc-mover.rrze.uni-erlangen.de/HPC-Data/0x7b58aefb/eig7ahyo6fo2bais0ephuf2aitohv1ai/job-archive-dev.tar.xz
     tar xJf job-archive-dev.tar.xz
     rm ./job-archive-dev.tar.xz
+    cd ../
 
-    cd ../web/frontend
-    yarn install
-    yarn build
-
-    cd ../..
     cp ./configs/env-template.txt .env
     cp ./docs/config.json config.json
-    go build ./cmd/cc-backend
 
     ./cc-backend --migrate-db
     ./cc-backend --server --dev --init-db --add-user demo:admin:AdminDev