githook scripts point to potential local custom scripts

.githooks/pre-push

@@ -1,3 +1,9 @@
 #!/bin/sh
 command -v git-lfs >/dev/null 2>&1 || { printf >&2 "\n%s\n\n" "This repository is configured for Git LFS but 'git-lfs' was not found on your path. If you no longer wish to use Git LFS, remove this hook by deleting the 'pre-push' file in the hooks directory (set by 'core.hookspath'; usually '.git/hooks')."; exit 2; }
 git lfs pre-push "$@"
+
+LOCAL_SCRIPT_PATH="$HOME/.local/elementx_local_dev/pre-push"
+if [ -x "$LOCAL_SCRIPT_PATH" ]; then
+	export ELEMENTX_REPO="$(pwd)"
+	"$LOCAL_SCRIPT_PATH"
+fi