[rewrite] Major changes to code - switched to postgres, added initial backend docker files

frontend/src/lib/api.ts

@@ -8,9 +8,17 @@ export const registerUser = async (userData: {
 	phone_number: string;
 	password: string;
 }) => {
-	const response = await axios.post(`${API_BASE_URL}/user/register`, {
-		...userData,
-		shop_id: 0 // 0 signifies a free account
-	});
+	const response = await axios.post(
+		`${API_BASE_URL}/user/register`,
+		{
+			...userData,
+			shop_id: 0
+		},
+		{
+			headers: {
+				"Content-Type": "application/json"
+			}
+		}
+	);
 	return response.data;
 };