Add go bindings for libpqos

This commit introduces CGO bindings for libpqos library. Almost all
functionality is covered except for IO monitoring

Signed-off-by: Mikhail Malyshev <mike.malyshev@gmail.com>

Author: rucoder

lib/go/.gitignore

@@ -0,0 +1,43 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool
+*.out
+
+# Dependency directories
+vendor/
+
+# Go workspace file
+go.work
+
+# Build artifacts
+examples/*/capability
+examples/*/simple
+examples/capability/capability
+examples/simple/simple
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Temporary files
+*.tmp
+*.bak
+
+# Go build cache
+.cache/
+
+# Coverage reports
+coverage.txt
+coverage.html