refactor: rename project videnc-vibe -> av1dae

Rename the Go module, the cmd/ entrypoint dir, the binary, the default config
dir (~/.config/av1dae/), the Docker image/compose service, and all docs and
the dashboard wordmark. No behavioral change — import paths and identifiers
only.

internal/config/config.go

@@ -5,12 +5,12 @@ import (
 	"os"
 	"path/filepath"
 
+	"av1dae/pkg/types"
 	"gopkg.in/yaml.v3"
-	"videnc-vibe/pkg/types"
 )
 
 const (
-	appName    = "videnc-vibe"
+	appName    = "av1dae"
 	configName = "config.yaml"
 )