feat(interactions): added sql queries and http requests as files to interact with server

.vscode/settings.json

@@ -0,0 +1,15 @@
+{
+	"sqltools.connections": [
+		{
+			"previewLimit": 50,
+			"server": "localhost",
+			"port": 5432,
+			"driver": "PostgreSQL",
+			"database": "newsletter",
+			"username": "postgres",
+			"password": "password",
+			"name": "newsletter",
+			"connectString": "postgres://postgres:password@localhost:5432/newsletter"
+		}
+	]
+}

http/subscriptions.http

@@ -0,0 +1,5 @@
+POST http://localhost:8000/subscriptions HTTP/1.1
+Content-Type: application/x-www-form-urlencoded
+
+name=test
+&email=test@test.com

sql/subscriptions.sql

@@ -0,0 +1 @@
+SELECT * FROM subscriptions