Started work on the comments service

.gitignore

+/*/node_modules
+/*/.env
+/*/build
+/*/coverage
\ No newline at end of file

comments-service/package.json

+{
+  "name": "comments-service",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC"
+}