Rename folders (#97)

* Rename arkd folder & drop cli

* Rename ark cli folder & update docs

* Update readme

* Fix

* scripts: add build-all

* Add target to build cli for all platforms

* Update build scripts

---------

Co-authored-by: tiero <3596602+tiero@users.noreply.github.com>

server/internal/interface/grpc/config.go

@@ -0,0 +1,46 @@
+package grpcservice
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net"
+)
+
+type Config struct {
+	Port  uint32
+	NoTLS bool
+}
+
+func (c Config) Validate() error {
+	lis, err := net.Listen("tcp", c.address())
+	if err != nil {
+		return fmt.Errorf("invalid port: %s", err)
+	}
+	defer lis.Close()
+
+	if !c.NoTLS {
+		return fmt.Errorf("tls termination not supported yet")
+	}
+	return nil
+}
+
+func (c Config) insecure() bool {
+	return c.NoTLS
+}
+
+func (c Config) address() string {
+	return fmt.Sprintf(":%d", c.Port)
+}
+
+func (c Config) listener() net.Listener {
+	lis, _ := net.Listen("tcp", c.address())
+
+	if c.insecure() {
+		return lis
+	}
+	return tls.NewListener(lis, c.tlsConfig())
+}
+
+func (c Config) tlsConfig() *tls.Config {
+	return nil
+}