Add CHANGELOG.md and changelog section to README for v1.0.0 release

main.go

@@ -5,16 +5,17 @@ import (
 	"log"
 	"os"
 
-	"valhallir-convoluter/pkg/convolve"
-	"valhallir-convoluter/pkg/wav"
+	"valhallir-deconvolver/pkg/convolve"
+	"valhallir-deconvolver/pkg/wav"
 
 	"github.com/urfave/cli/v2"
 )
 
 func main() {
 	app := &cli.App{
-		Name:  "valhallir-deconvolver",
-		Usage: "Deconvolve sweep and recorded WAV files to create impulse responses",
+		Name:    "valhallir-deconvolver",
+		Usage:   "Deconvolve sweep and recorded WAV files to create impulse responses",
+		Version: "v1.0.0",
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:     "sweep",