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/go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/go-chi/cors v1.2.2
 	go.mau.fi/whatsmeow v0.0.0-20260427122815-7514259253a7
 	golang.org/x/crypto v0.50.0
+	golang.org/x/text v0.37.0
 )
 
 require (
@@ -32,7 +33,6 @@ require (
 	golang.org/x/net v0.53.0 // indirect
 	golang.org/x/sync v0.20.0 // indirect
 	golang.org/x/sys v0.43.0 // indirect
-	golang.org/x/text v0.36.0 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 	gorm.io/gorm v1.25.7 // indirect
 	modernc.org/libc v1.22.5 // indirect