Add version info

config.go

@@ -1,6 +1,7 @@
 package pypihub
 
 import (
+	"fmt"
 	"os"
 	"strings"
 
@@ -14,6 +15,10 @@ type Config struct {
 	Bind        string   `arg:"-b,--bind,env:PYPIHUB_BIND,help:[<address>]:<port> to bind the server to (default: ':8287') (env: PYPIHUB_BIND)"`
 }
 
+func (c Config) Version() string {
+	return fmt.Sprintf("pypihub %s", VERSION)
+}
+
 func ParseConfig() Config {
 	var config = Config{
 		Bind:      ":8287",

version.go

@@ -0,0 +1,3 @@
+package pypihub
+
+const VERSION = "0.1.0"