refactor:Added Integration test and tiny refactoring (#23)

* Refactoring name convention

* Added integration test

* Added Makefile

* Bump golang.org/x/crypto from 0.0.0-20220826181053-bd7e27e6170d to 0.6.0

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.0.0-20220826181053-bd7e27e6170d to 0.6.0.
- [Release notes](https://github.com/golang/crypto/releases)
- [Commits](https://github.com/golang/crypto/commits/v0.6.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

* Upgrade go from 1.16 to 1.20

* Added integration test: HTTP, TCP, SSH

* Added Makefile Improve README.md

* Fixed unit test CI

* Fixed go-version

* Added integration test into C.I. actions

---------

Signed-off-by: Mario Candela <m4r10.php@gmail.com>
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

builder/builder.go

@@ -3,6 +3,7 @@ package builder
 import (
 	"beelzebub/parser"
 	"beelzebub/protocols"
+	"beelzebub/protocols/strategies"
 	"beelzebub/tracer"
 	"errors"
 	"fmt"
@@ -68,24 +69,22 @@ func (b *Builder) buildRabbitMQ(rabbitMQURI string) error {
 }
 
 func (b *Builder) Close() error {
-	if err := b.rabbitMQChannel.Close(); err != nil {
-		return err
+	if b.rabbitMQConnection != nil {
+		if err := b.rabbitMQChannel.Close(); err != nil {
+			return err
+		}
+		if err := b.rabbitMQConnection.Close(); err != nil {
+			return err
+		}
 	}
-	if err := b.rabbitMQConnection.Close(); err != nil {
-		return err
-	}
-	if err := b.logsFile.Close(); err != nil {
-		return err
-	}
-
 	return nil
 }
 
 func (b *Builder) Run() error {
 	// Init Protocol strategies
-	secureShellStrategy := &protocols.SecureShellStrategy{}
-	hypertextTransferProtocolStrategy := &protocols.HypertextTransferProtocolStrategy{}
-	transmissionControlProtocolStrategy := &protocols.TransmissionControlProtocolStrategy{}
+	secureShellStrategy := &strategies.SecureShellStrategy{}
+	hypertextTransferProtocolStrategy := &strategies.HypertextTransferProtocolStrategy{}
+	transmissionControlProtocolStrategy := &strategies.TransmissionControlProtocolStrategy{}
 
 	// Init Tracer strategies, and set the trace strategy default HTTP
 	protocolManager := protocols.InitProtocolManager(b.traceStrategy, hypertextTransferProtocolStrategy)