Remove strapi-admin.js and put server files into src

Author: mattmilburn

server/bootstrap.js renamed to server/src/bootstrap.js

@@ -1,5 +1,5 @@
 'use strict';
 
-const pluginPkg = require('../../package.json');
+const pluginPkg = require('../../../package.json');
 
 module.exports = pluginPkg.strapi.name;

server/config.js renamed to server/src/config.js

@@ -1,3 +1,3 @@
 'use strict';
 
-module.exports = require('./server');
+module.exports = require('./server/src');