Add/csv import options (#420)

* feat(import): add customer and supplier parsing functionality

- Implemented customer file parsing in `lib/import/customers/parser.ts` with support for Excel and CSV formats.
- Created types for detected customer columns and parsed customer rows in `lib/import/customers/types.ts`.
- Added tests for customer classification logic in `lib/import/shared/__tests__/classify.test.ts`.
- Developed classification functions for customers and suppliers in `lib/import/shared/classify.ts`.
- Introduced shared column utility functions in `lib/import/shared/column-utils.ts`.
- Implemented supplier file parsing in `lib/import/suppliers/parser.ts` with validation for various fields.
- Created types for detected supplier columns and parsed supplier rows in `lib/import/suppliers/types.ts`.
- Added tests for supplier column detection and parsing in `lib/import/suppliers/__tests__/column-detector.test.ts` and `lib/import/suppliers/__tests__/parser.test.ts`.

* fix(labels): update 'Svenskt företag' to 'Svenskt företag eller organisation' for clarity

* feat(import): refactor encoding handling for Swedish files and add tests for character preservation

* feat(recapt): implement clearRecaptIdentity function and integrate into logout flow

* feat(bookkeeping): implement copy functionality and next voucher sequence retrieval

* feat(import): enhance customer and supplier import functionality with normalization and event handling

components/RecaptIdentify.tsx

@@ -2,21 +2,6 @@
 
 import { useEffect } from 'react'
 
-declare global {
-  interface Window {
-    Recapt?: {
-      session: {
-        setIdentity: (identity: {
-          uid: string
-          email?: string
-          nickname?: string
-          fullName?: string
-        }) => void
-      }
-    }
-  }
-}
-
 export function RecaptIdentify({
   userId,
   email,
@@ -27,16 +12,23 @@ export function RecaptIdentify({
   displayName?: string
 }) {
   useEffect(() => {
+    let attempts = 0
+    const maxAttempts = 50
     const interval = setInterval(() => {
-      if (typeof window.Recapt?.session?.setIdentity === 'function') {
-        window.Recapt.session.setIdentity({
+      if (typeof window.recapt === 'function') {
+        window.recapt('identify', {
           uid: userId,
-          email: email,
-          fullName: displayName,
+          email,
+          nickname: displayName,
         })
         clearInterval(interval)
+        return
       }
-    }, 500)
+      attempts++
+      if (attempts >= maxAttempts) {
+        clearInterval(interval)
+      }
+    }, 100)
 
     return () => clearInterval(interval)
   }, [userId, email, displayName])