feat(dev): use PWD when specifying the viu venv bin path

.envrc

@@ -1,6 +1,6 @@
 VIU_APP_NAME="viu-dev"
-PATH="./.venv/bin/:$PATH"
+PATH="$PWD/.venv/bin:$PATH"
 export PATH VIU_APP_NAME
-if command -v nix >/dev/null;then
-	use flake
+if command -v nix >/dev/null; then
+  use flake
 fi