add README.md

README.md

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+# Sqlite library (x64)
+
+To build lib from def file
+
+Copy header file from sqlite source
+
+
+```
+PS C:\Program Files\Microsoft Visual Studio\2022\Preview\VC\Tools\MSVC\14.34.31921\bin\Hostx64\x64> .\lib /DEF:C:\tools\sqlite-dll-win64-x64-3390400/sqlite3.def /OUT:C:\tools\sqlite-dll-win64-x64-3390400/sqlite3.lib
+
+```
+
+```
+:: Dump SQLite.DLL exports
+
+set DUMPBIN="C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\Hostx86\x86\dumpbin.exe"
+set LIBX="C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\Hostx86\x86\lib.exe"
+set SQL="C:\SQLite\sqlite3.dll"
+set DEF="C:\SQLite\sqlite3.def"
+set LIB="C:\SQLite\sqlite3.lib"
+
+:: [1] run dumpbin
+%DUMPBIN% /EXPORTS /NOLOGO /OUT:%DEF% %SQL%
+
+:: [2] manually edit .DEF file to look proper
+:: [3] run LIB
+%LIBX% /DEF:%DEF% /OUT:%LIB%
+```