feat: support plugins (#878)

* fix(log): set the default logger

* feat: support plugins

* feat(plugin): add run command

* feat(plugin): add uninstall command

* test(plugin): add tests

* chore(ci): pin go version

* chore(ci): disable G204

* refactor: fix lint issues

* feat(plugin): skip downloading installed plugins

* feat: add TRIVY_RUN_AS_PLUGIN

* support Ubuntu 20.10 (#876)

* docs(README): update ubuntu versions (#877)

* add MkDocs implementation (#870)

* mkdocs: add top level nav

* mkdocs: add installation nav

* mkdocs: add quick-start nav

* mkdocs: add examples nav

* mkdocs: add CI nav

* mkdocs: add vuln-detection nav

* mkdocs: add comparison nav

* mkdocs: add usage nav

* mkdocs: add migration nav

* mkdocs: add FAQ nav

* mkdocs: add mkdocs.yml

* mkdocs: add github workflow

* docs: update documents

* fix links

* chore(ci): use ORG_GITHUB_TOKEN

* chore(mkdocs): use mike

* chore(ci): support dev

* chore(ci): documentation test

Co-authored-by: knqyf263 <knqyf263@gmail.com>

* docs: add plugins

* chore: remove stale workflow

* refactor: fix lint issues

Co-authored-by: Huang Huang <mozillazg101@gmail.com>
Co-authored-by: aprp <doelaudi@gmail.com>

pkg/rpc/convert_test.go

@@ -1,7 +1,6 @@
 package rpc
 
 import (
-	"os"
 	"testing"
 	"time"
 
@@ -12,19 +11,12 @@ import (
 	ptypes "github.com/aquasecurity/go-dep-parser/pkg/types"
 	dbTypes "github.com/aquasecurity/trivy-db/pkg/types"
 	"github.com/aquasecurity/trivy-db/pkg/vulnsrc/vulnerability"
-	"github.com/aquasecurity/trivy/pkg/log"
 	"github.com/aquasecurity/trivy/pkg/report"
 	"github.com/aquasecurity/trivy/pkg/types"
 	"github.com/aquasecurity/trivy/rpc/common"
 	"github.com/aquasecurity/trivy/rpc/scanner"
 )
 
-func TestMain(m *testing.M) {
-	log.InitLogger(false, false)
-	code := m.Run()
-	os.Exit(code)
-}
-
 func TestConvertToRpcPkgs(t *testing.T) {
 	type args struct {
 		pkgs []ftypes.Package