Switch to cmake + vcpkg, builds on linux, windows needs verification.

Code has been modified to be portable.

tests/pglabtests/CMakeLists.txt

@@ -0,0 +1,41 @@
+add_executable(pglabtests
+    main.cpp
+    TableTreeBuilderTests.cpp
+    tst_ConvertLangToSqlString.cpp
+    tst_ConvertToMultiLineCString.cpp
+    tst_ExplainJsonParser.cpp
+    tst_HumanReadableBytes.cpp
+    tst_TryParsePostgresqlUrl.cpp
+    tst_escapeConnectionStringValue.cpp
+    tst_expected.cpp
+    tst_SqlLexer.cpp
+    tst_scopeguard.cpp
+    tst_CsvWriter.cpp
+    tst_PasswordManager.cpp
+    tst_ParamJson.cpp
+    tst_CodeBuilder.cpp
+    tst_NameManglingRules.cpp
+    tst_TypeMappings.cpp
+    tst_Range.cpp
+    )
+
+target_link_libraries(pglabtests PRIVATE
+    pglablib
+    pgsql
+    core
+    mygtestutils
+    GTest::gtest
+    Qt6::Core
+    Qt6::Widgets
+    )
+
+target_include_directories(pglabtests PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    )
+
+set_target_properties(pglabtests PROPERTIES
+    CXX_STANDARD 20
+    CXX_STANDARD_REQUIRED ON
+    )
+
+add_test(NAME pglabtests COMMAND pglabtests)