Add a script to push code securely to the remote repository

Create a new shell script to handle pushing code to Gitea using environment variables for authentication, bypassing potential credential issues in newer Git versions.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 923ae0e3-a363-4db8-b04a-e8baca2a1330
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 3e699aa7-3a4c-4150-832f-2e0225e7f67d
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scripts/push-gitea.sh

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+#!/usr/bin/env bash
+# push-gitea.sh — Pousse la branche main vers Gitea
+# Usage : bash scripts/push-gitea.sh
+#
+# Prérequis : variable d'environnement GITEA_TOKEN définie
+# (via Replit Secrets ou export GITEA_TOKEN=votre_token)
+
+set -e
+
+if [ -z "$GITEA_TOKEN" ]; then
+  echo "Erreur : la variable GITEA_TOKEN n'est pas définie."
+  echo "Définissez-la dans Replit > Secrets > Ajouter un secret : GITEA_TOKEN"
+  exit 1
+fi
+
+GITEA_USER="billisdead"
+GITEA_HOST="homegit.gyozamancave.fr"
+REPO="la-voix-du-peuple"
+
+B64=$(printf '%s' "${GITEA_USER}:${GITEA_TOKEN}" | base64 -w0)
+
+echo "Envoi de la branche main vers https://${GITEA_HOST}/${GITEA_USER}/${REPO}.git ..."
+
+GIT_TERMINAL_PROMPT=0 git \
+  -c "http.extraHeader=Authorization: Basic ${B64}" \
+  push origin main
+
+echo "Synchronisation terminée."