Make logger a separate module such that don't depend on shared module as a whole for logging (#1047)

* Make `logger` a separate module such that don't depend on `shared` module as a whole for logging

* Update `Dockerfile`

tap/diagnose/diagnose.go

@@ -8,7 +8,7 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/up9inc/mizu/shared/logger"
+	"github.com/up9inc/mizu/logger"
 	"github.com/up9inc/mizu/tap/api"
 )
 

tap/diagnose/errors_map.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 
 	"github.com/google/gopacket/examples/util"
-	"github.com/up9inc/mizu/shared/logger"
+	"github.com/up9inc/mizu/logger"
 )
 
 var TapErrors *errorsMap

tap/diagnose/internal_stats.go

@@ -1,6 +1,6 @@
 package diagnose
 
-import "github.com/up9inc/mizu/shared/logger"
+import "github.com/up9inc/mizu/logger"
 
 type tapperInternalStats struct {
 	Ipdefrag            int