feat: Implement initial version of formatter app

packages/backend/package.json

@@ -62,12 +62,14 @@
     "memory-cache": "^0.2.0",
     "morgan": "^1.10.0",
     "multer": "1.4.5-lts.1",
+    "node-html-markdown": "^1.3.0",
     "nodemailer": "6.7.0",
     "oauth-1.0a": "^2.2.6",
     "objection": "^3.0.0",
     "passport": "^0.6.0",
     "pg": "^8.7.1",
     "php-serialize": "^4.0.2",
+    "showdown": "^2.1.0",
     "stripe": "^11.13.0",
     "winston": "^3.7.1",
     "xmlrpc": "^1.3.2"
@@ -124,6 +126,7 @@
     "@types/nodemailer": "^6.4.4",
     "@types/pg": "^8.6.1",
     "@types/pino": "^7.0.5",
+    "@types/showdown": "^2.0.1",
     "ava": "^3.15.0",
     "nodemon": "^2.0.13",
     "sinon": "^11.1.2",