Changed:

- Env key to be more generic
- Cache directory to .cache
- Multiply bank amount by 100 to get correct conversion rate

Removed:
- Unused functions in Actual.ts

Added:
- Test for main functionality
- BankStub for testing
- Added imported_id to Actual Transaction to avoid duplicates

src/mappings.ts

@@ -3,14 +3,17 @@ import type { TransactionEntity } from "@actual-app/api/@types/loot-core/types/m
 import type { UUID } from "node:crypto"
 
 // TODO more fields / correct fields?
-export function transactionIntoActualTransaction(
+export function bankTransactionIntoActualTransaction(
   transaction: Transaction,
   accountId: UUID,
 ): TransactionEntity {
   return {
     id: transaction.id,
+    // Transactions with the same id will be ignored
+    imported_id: transaction.id,
     account: accountId,
-    amount: transaction.amount,
+    // The value without decimals
+    amount: transaction.amount * 100,
     date: transaction.date,
     payee: transaction.description,
   }