githook scripts point to potential local custom scripts

.githooks/post-checkout

@@ -7,3 +7,9 @@ export PATH="$PATH:/opt/homebrew/bin"
 
 # ignores updates of 'Secrets.swift' to avoid pushing sensitive data by mistake
 git update-index --assume-unchanged Secrets/Secrets.swift
+
+LOCAL_SCRIPT_PATH="$HOME/.local/elementx_local_dev/post-checkout"
+if [ -x "$LOCAL_SCRIPT_PATH" ]; then
+	export ELEMENTX_REPO="$(pwd)"
+	"$LOCAL_SCRIPT_PATH"
+fi

.githooks/post-commit

@@ -1,3 +1,9 @@
 #!/bin/sh
 command -v git-lfs >/dev/null 2>&1 || { echo >&2 "\nThis 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 '.git/hooks/post-commit'.\n"; exit 2; }
 git lfs post-commit "$@"
+
+LOCAL_SCRIPT_PATH="$HOME/.local/elementx_local_dev/post-commit"
+if [ -x "$LOCAL_SCRIPT_PATH" ]; then
+	export ELEMENTX_REPO="$(pwd)"
+	"$LOCAL_SCRIPT_PATH"
+fi

.githooks/post-merge

@@ -1,3 +1,9 @@
 #!/bin/sh
 command -v git-lfs >/dev/null 2>&1 || { echo >&2 "\nThis 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 '.git/hooks/post-merge'.\n"; exit 2; }
 git lfs post-merge "$@"
+
+LOCAL_SCRIPT_PATH="$HOME/.local/elementx_local_dev/post-merge"
+if [ -x "$LOCAL_SCRIPT_PATH" ]; then
+	export ELEMENTX_REPO="$(pwd)"
+	"$LOCAL_SCRIPT_PATH"
+fi

.githooks/pre-commit

@@ -9,4 +9,10 @@ then
   exit 1
 fi
 
-./Tools/Scripts/validate_lfs.sh
+./Tools/Scripts/validate_lfs.sh
+
+LOCAL_SCRIPT_PATH="$HOME/.local/elementx_local_dev/pre-commit"
+if [ -x "$LOCAL_SCRIPT_PATH" ]; then
+	export ELEMENTX_REPO="$(pwd)"
+	"$LOCAL_SCRIPT_PATH"
+fi

.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