Install and configure required packages for HTTP testing

Two new dev dependencies were added:
- supertest package to perform HTTP testing
- @babel/plugin-transform-runtime

Configured jest to so it is able load files from server directory

package.json

@@ -33,18 +33,21 @@
   "jest": {
     "modulePaths": [
       "mode_modules",
-      "shared"
+      "shared",
-    ]
+      "server"
+    ] 
   },
   "babel": {
     "presets": [
       "@babel/preset-env",
       "@babel/preset-react"
+    ],
+    "plugins": [
+      "@babel/plugin-transform-runtime"
     ]
   },
   "dependencies": {
     "@babel/core": "^7.16.7",
-    "@babel/plugin-transform-runtime": "^7.16.8",
     "@babel/preset-env": "^7.16.8",
     "@babel/preset-react": "^7.16.7",
     "body-parser": "^1.19.1",
@@ -80,8 +83,10 @@
     "vitreum": "git+https://git@github.com/calculuschild/vitreum.git"
   },
   "devDependencies": {
+    "@babel/plugin-transform-runtime": "^7.16.10",
     "eslint": "^8.7.0",
     "eslint-plugin-react": "^7.28.0",
-    "jest": "^27.4.5"
+    "jest": "^27.4.5",
+    "supertest": "^6.2.2"
   }
 }