implement database and mqtt client to cache node info

prisma/migrations/20240312135520_create_nodes_table/migration.sql

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+-- CreateTable
+CREATE TABLE `nodes` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT,
+    `node_id` BIGINT NOT NULL,
+    `long_name` VARCHAR(191) NOT NULL,
+    `short_name` VARCHAR(191) NOT NULL,
+    `hardware_model` INTEGER NOT NULL,
+    `is_licensed` BOOLEAN NOT NULL,
+    `role` INTEGER NOT NULL,
+    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    `updated_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+
+    UNIQUE INDEX `nodes_node_id_key`(`node_id`),
+    INDEX `nodes_created_at_idx`(`created_at`),
+    INDEX `nodes_updated_at_idx`(`updated_at`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

prisma/migrations/20240312140821_add_position_columns_to_nodes_table/migration.sql

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+-- AlterTable
+ALTER TABLE `nodes` ADD COLUMN `altitude` INTEGER NULL,
+    ADD COLUMN `latitude` INTEGER NULL,
+    ADD COLUMN `longitude` INTEGER NULL;

prisma/migrations/migration_lock.toml

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+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "mysql"

prisma/schema.prisma

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+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+// Looking for ways to speed up your queries, or scale easily with your serverless or edge functions?
+// Try Prisma Accelerate: https://pris.ly/cli/accelerate-init
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "mysql"
+  url      = env("DATABASE_URL")
+}
+
+model Node {
+  id             BigInt  @id @default(autoincrement())
+  node_id        BigInt  @unique
+  long_name      String
+  short_name     String
+  hardware_model Int
+  is_licensed    Boolean
+  role           Int
+
+  latitude  Int?
+  longitude Int?
+  altitude  Int?
+
+  created_at DateTime @default(now())
+  updated_at DateTime @default(now()) @updatedAt
+
+  @@index(created_at)
+  @@index(updated_at)
+  @@map("nodes")
+}