gnucash-docs maint: Add 3 screenshots to help/{C|de}/figures, run optipng

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/c61643dd (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/bb159c8f (commit)



commit c61643dd8b981c8d83769d599c53fe33f4f36d1e
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sun Jun 20 09:13:19 2021 +0200

    Add 3 screenshots to help/{C|de}/figures, run optipng



Summary of changes:
 .../Help_CSV_Import_transactions_Preview.png       | Bin 106312 -> 106312 bytes
 help/C/figures/Help_Choose_Export_Settings.png     | Bin 38641 -> 38641 bytes
 help/C/figures/Help_Import_QIF_Druid.png           | Bin 52989 -> 52989 bytes
 help/C/figures/Help_Trans_Assoc_Dialog.png         | Bin 12119 -> 12295 bytes
 help/C/figures/Help_Trans_Assoc_Symbols.png        | Bin 2552 -> 2728 bytes
 help/C/figures/welcome.png                         | Bin 0 -> 42783 bytes
 help/C/figures/window-main-empty.png               | Bin 0 -> 20496 bytes
 help/C/figures/window-tip.png                      | Bin 0 -> 30844 bytes
 help/de/figures/Help_AccountReg_Screen.png         | Bin 101177 -> 100505 bytes
 help/de/figures/Help_AccountTree_Screen.png        | Bin 67324 -> 66954 bytes
 help/de/figures/Help_Budget_Screen.png             | Bin 61446 -> 61324 bytes
 help/de/figures/Help_Reconcile_Screen.png          | Bin 66027 -> 65585 bytes
 help/de/figures/Help_Report_Screen.png             | Bin 49639 -> 49346 bytes
 help/de/figures/Help_Scheduled_Transactions.png    | Bin 62255 -> 62016 bytes
 help/de/figures/Main-window-callouts.png           | Bin 62222 -> 61819 bytes
 help/de/figures/tip-window.png                     | Bin 0 -> 39840 bytes
 help/de/figures/welcome.png                        | Bin 0 -> 39679 bytes
 help/de/figures/window-main-empty.png              | Bin 0 -> 23076 bytes
 18 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 help/C/figures/welcome.png
 create mode 100644 help/C/figures/window-main-empty.png
 create mode 100644 help/C/figures/window-tip.png
 create mode 100644 help/de/figures/tip-window.png
 create mode 100644 help/de/figures/welcome.png
 create mode 100644 help/de/figures/window-main-empty.png