Feature ETP-2590: Add docs about new customer statement reports

[valeg-etendo]

• Deleted obsolete images from the drive.
• Added new images for customer statement reports in the user guide.
• Updated links in the documentation to reflect the new images.

[Copilot]

Pull request overview

This pull request updates the documentation for customer statement reports in the Etendo Classic user guide. The changes modernize the documentation to reflect new features in version 3.8.0 of the Financial Extensions Bundle, compatible with Etendo 25Q1.

Key Changes:

• Updated version compatibility information for Balance Sheet and P&L Structure Advanced report
• Added "Overview" subsections for consistency across multiple report sections
• Completely rewrote Customer Statement documentation with enhanced details and structure
• Replaced obsolete Google Drive-hosted images with properly organized local assets

Reviewed changes

Copilot reviewed 1 out of 5 changed files in this pull request and generated no comments.

File	Description
docs/user-guide/etendo-classic/basic-features/financial-management/accounting/analysis-tools.md	Updated report documentation with version info, added Overview sections, and comprehensively rewrote Customer Statement section with detailed parameters, functionality descriptions, and proper image references
docs/assets/user-guide/etendo-classic/basic-features/financial-management/accounting/analysis-tools/customer-statement-report-2.png	Added new screenshot showing updated Customer Statement report output
docs/assets/drive/1rYsGNhlgTxXIUQR4NxlDh2_4uLDvm_WA.png	Removed obsolete Google Drive-hosted image
docs/assets/drive/1knnrLJDapnNKaokRPFgInW3mIQcJBHIo.png	Removed obsolete Google Drive-hosted image

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[isaiasb-etendo]

Suggested change

This functionality is available starting from version 3.8.0 of the Financial Extensions Bundle, compatible with Etendo 25Q1. To do that, follow the instructions from the marketplace: [Financial Extensions Bundle](https://marketplace.etendo.cloud/#/product-details?module=9876ABEF90CC4ABABFC399544AC14558){target="_blank"}. For more information about the available versions, core compatibility and new features, visit [Financial Extensions - Release notes](../../../../../whats-new/release-notes/etendo-classic/bundles/financial-extensions/release-notes.md).

This functionality is available starting from version **3.8.0** of the Financial Extensions Bundle, compatible from **Etendo 25.1**. To do that, follow the instructions from the marketplace: [Financial Extensions Bundle](https://marketplace.etendo.cloud/#/product-details?module=9876ABEF90CC4ABABFC399544AC14558){target="_blank"}. For more information about the available versions, core compatibility and new features, visit [Financial Extensions - Release notes](../../../../../whats-new/release-notes/etendo-classic/bundles/financial-extensions/release-notes.md).