feat(go-crm): full auth, routing, middleware, and supporting infra

- Add auth handlers (signup, login, logout, account management) with bcrypt
- Add client, customer, service, scheduling, payment, question, answer handlers
- Add dashboard, monthly report, and lead pipeline pages
- Add UTF-8 middleware to force charset on HTML responses
- Add config package with env-based overrides for DB path, secrets, endpoints
- Add parser package for WhatsApp message ingestion
- Add clean-arch layers: pkg/domain, pkg/repo, pkg/usecase for leads
- Add cmd/migrate utility for DB migrations
- Add Makefile, README, run-tests.sh, and dev scripts
- Update docker-compose.yml with memory limits
- Update .air.toml to exclude DB files and stop on errors
- Update whatsapp-sync dependencies and add src/index.js entrypoint
- Add whatsme standalone WhatsApp reader app (source only)
- Untrack .opencode-sandbox/data/go-crm.db from git history
- Expand root .gitignore: ngrok, tmp dirs, sandbox DBs, compiled binaries

apps/go-crm/scripts/dev.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Simple local development runner for go-crm
+# For junior-friendly setup: no Docker, no file watchers, just plain Go.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+APP_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+DEV_DATA_DIR="${DEV_DATA_DIR:-$APP_ROOT/.dev-data}"
+
+mkdir -p "$DEV_DATA_DIR"
+
+export CRM_DATABASE_PATH="${CRM_DATABASE_PATH:-$DEV_DATA_DIR/go-crm.db}"
+export CRM_WHATSAPP_STORE_PATH="${CRM_WHATSAPP_STORE_PATH:-$DEV_DATA_DIR/whatsapp.db}"
+export CRM_HTTP_ENDPOINT="${CRM_HTTP_ENDPOINT:-http://localhost:8080}"
+export CRM_INTERNAL_SECRET="${CRM_INTERNAL_SECRET:-internal-secret}"
+
+cd "$APP_ROOT"
+
+echo "Starting go-crm..."
+go run main.go