invrs: fix invrs_wrapper script

Author: csegarragonz

bin/invrs_wrapper.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 set -e
 
-source bin/workon.sh
-invrs "$@"
+THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" >/dev/null 2>&1 && pwd )"
+PROJ_ROOT="${THIS_DIR}/.."
+RUST_ROOT="${PROJ_ROOT}/invrs"
+
+cargo run --release --manifest-path ${RUST_ROOT}/Cargo.toml -q -- "$@"