refactor: removed prisma and replaced with better-sqlite3

server/migrations/migration.sql

@@ -0,0 +1,7 @@
+-- CreateTable
+CREATE TABLE "MoistureValue" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL,
+    "value" DECIMAL NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);