Getting started ... again
You probably was very busy last few monthes and forgot everything. Here are some tips to get you started.
I hope you commited everithing the last time you toched things.
Updating packages
run npm outdated to see that is outdated.
or run ncu. The command you can use after npm install -g npm-check-updates.
It checks for last versions of depending packages and compares with version listed in package.json.
Then run 'ncu -u' or ncu -a to really update the files.
Run stuff
Go ahead and run 'npm run build' from terminal (use CTRL + ` to open terminal).
If everhing works try npm run server. It will open browser at http://localhost:8080/. BTW to stop the server press CTRL + C to terminal.
Those commands are defines package.json's scripts section.
Also npm install http-server -g and run http-server