Adds Handlers and Tests for devicetypes, devices, and files

main.go

@@ -10,5 +10,13 @@ func main() {
 		os.Getenv("APP_DB_PASSWORD"),
 		os.Getenv("APP_DB_NAME"))
 
+	ensureConfigTableExists(a.DB)
+	ensureDataTypeTableExists(a.DB)
+	ensureDeviceTypeTableExists(a.DB)
+	ensureDeviceTableExists(a.DB)
+	ensureFileTableExists(a.DB)
+
+	seedDeviceTypeData(a.DB)
+
 	a.Run(":8080")
 }