Add --exclude-library option to standalone version

It would be useful to have the standalone version also
able to exclude-libraries, this helps with issues:

 linuxdeploy#153
 linuxdeploy#150
 linuxdeploy#110
 linuxdeploy#108

src/main.cpp

@@ -37,6 +37,7 @@ int main(const int argc, const char *const *const argv) {
     args::HelpFlag help(parser, "help", "Display this help text", {'h', "help"});
 
     args::ValueFlag<fs::path> appDirPath(parser, "appdir path", "Path to an existing AppDir", {"appdir"});
+    args::ValueFlagList<std::string> excludeLibraryPatterns(parser, "pattern", "Shared library to exclude from deployment (glob pattern)", {"exclude-library"});
     args::ValueFlagList<std::string> extraPlugins(parser, "plugin",
                                                   "Extra Qt plugin to deploy (specified by name, filename or path)",
                                                   {'p', "extra-plugin"});
@@ -135,6 +136,9 @@ int main(const int argc, const char *const *const argv) {
     ldLog() << std::endl << "Using Qt version: " << qtVersion << " (" << qtMajorVersion << ")" << std::endl;
 
     appdir::AppDir appDir(appDirPath.Get());
+    if (const auto patterns = excludeLibraryPatterns.Get(); !patterns.empty()) {
+        appDir.setExcludeLibraryPatterns(patterns);
+    }
 
     // allow disabling copyright files deployment via environment variable
     if (getenv("DISABLE_COPYRIGHT_FILES_DEPLOYMENT") != nullptr) {