[docs] move site gen to a post-push hook

scripts/enable_git_hooks.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -Eeuo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT"
+
+git config core.hooksPath .githooks
+
+if [[ $# -ge 1 ]]; then
+    git config meanas.docsSiteUrl "$1"
+fi
+
+echo "Configured core.hooksPath=.githooks"
+if git config --get meanas.docsSiteUrl >/dev/null 2>&1; then
+    echo "Configured meanas.docsSiteUrl=$(git config --get meanas.docsSiteUrl)"
+else
+    echo "No meanas.docsSiteUrl configured"
+fi