fix: rename the config directory to nvim

Renamed the configuration directory to nvim so that, when extracted, the
correct directory is created.

Fixes linux-home/nvim.d#2

.helpers/config

@@ -3,7 +3,7 @@
 set -euo pipefail
 
 ROOT_DIR="$( cd "$( dirname $0 )/.." && pwd )"
-NEOVIM_CONFIG_SOURCE_DIR="${ROOT_DIR}/neovim"
+NEOVIM_CONFIG_SOURCE_DIR="${ROOT_DIR}/nvim"
 NEOVIM_CONFIG_DESTINATION_DIR="${XDG_CONFIG_HOME}/nvim"
 VERSION="$( git describe --tags | tr -d '\n' )"
 PROJECT_NAME="nvim.d"
@@ -47,7 +47,7 @@ function package {
         mkdir "${ROOT_DIR}/build"
     fi
 
-    tar czv -f "${ROOT_DIR}/build/${PROJECT_NAME}-${VERSION}.tar.gz" neovim
+    tar czv -f "${ROOT_DIR}/build/${PROJECT_NAME}-${VERSION}.tar.gz" $( basename "${NEOVIM_CONFIG_SOURCE_DIR}" )
 }
 
 function publish {