fix Qt 6.4 build and few other changes

- include QStringEncoder and QStringDecoder for Qt 6.4
- update integrated qtbase_de.qm from Qt 6.3
- fix macOS theme detection on Qt 6
- bump copyright year and some version numbers
- remove ZEC donation
- rework README.md

res/app.rc

@@ -4,8 +4,8 @@ IDI_ICON1 ICON DISCARDABLE "5sync.ico"
 CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "gta5view.exe.manifest"
 #include <windows.h>
 VS_VERSION_INFO     VERSIONINFO
-FILEVERSION         1, 10, 1, 0
-PRODUCTVERSION      1, 10, 1, 0
+FILEVERSION         1, 10, 1, 1
+PRODUCTVERSION      1, 10, 1, 1
 FILEFLAGSMASK       0x3fL
 FILEFLAGS           0
 FILEOS              VOS_NT_WINDOWS32
@@ -24,7 +24,7 @@ BEGIN
             VALUE   "FileDescription",  "gta5view"
             VALUE   "FileVersion",      "1.10.1"
             VALUE   "InternalName",     "gta5view"
-            VALUE   "LegalCopyright",   "Copyright © 2016-2021 Syping"
+            VALUE   "LegalCopyright",   "Copyright © 2016-2022 Syping"
             VALUE   "OriginalFilename", "gta5view.exe"
             VALUE   "ProductName",      "gta5view"
             VALUE   "ProductVersion",   "1.10.1"

res/donate.qrc

@@ -8,8 +8,6 @@
         <file>ltc.svgz</file>
         <file>xmr.str</file>
         <file>xmr.svgz</file>
-        <file>zec.str</file>
-        <file>zec.svgz</file>
     </qresource>
     <qresource prefix="/img">
         <file>donate.svgz</file>

res/zec.str

@@ -1 +0,0 @@
-Zcash