Added the SWI Prolog (swipl) ecosystem (#3076)

* Add binary classifier for swipl

Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>

* Added cataloger for SWI Prolog Pack packages

Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>

---------

Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>

syft/pkg/cataloger/swipl/parse_pack_test.go

@@ -0,0 +1,39 @@
+package swipl
+
+import (
+	"testing"
+
+	"github.com/anchore/syft/syft/artifact"
+	"github.com/anchore/syft/syft/file"
+	"github.com/anchore/syft/syft/pkg"
+	"github.com/anchore/syft/syft/pkg/cataloger/internal/pkgtest"
+)
+
+func TestParsePackPackage(t *testing.T) {
+	fixture := "test-fixtures/pack.pl"
+	locations := file.NewLocationSet(file.NewLocation(fixture))
+	expectedPkgs := []pkg.Package{
+		{
+			Name:      "hdt",
+			Version:   "0.5.2",
+			PURL:      "pkg:swiplpack/hdt@0.5.2",
+			Locations: locations,
+			Language:  pkg.Swipl,
+			Type:      pkg.SwiplPackPkg,
+			Metadata: pkg.SwiplPackEntry{
+				Name:          "hdt",
+				Version:       "0.5.2",
+				Author:        "Jan Wielemaker",
+				AuthorEmail:   "J.Wielemaker@vu.nl",
+				Packager:      "Jan Wielemaker",
+				PackagerEmail: "J.Wielemaker@vu.nl",
+				Homepage:      "https://github.com/JanWielemaker/hdt",
+			},
+		},
+	}
+
+	// TODO: no relationships are under test yet
+	var expectedRelationships []artifact.Relationship
+
+	pkgtest.TestFileParser(t, fixture, parsePackPackage, expectedPkgs, expectedRelationships)
+}