Initial import of fitme3070.pt platform

Plain-PHP fleet platform with id.andmore.pt SSO. Wires shared/platform-tools
as a submodule (platform_update, backups, git/migration tools) like the other
platforms.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,50 @@
+# ─── Secrets ────────────────────────────────────────────────────────────────
+.env
+.env.*
+!.env.example
+
+# ─── Runtime caches ─────────────────────────────────────────────────────────
+config/cache/*.php
+!config/cache/.htaccess
+!config/cache/.gitkeep
+
+# ─── User uploads (per-install content, not source) ─────────────────────────
+uploads/print/*
+!uploads/print/.gitkeep
+
+uploads/sessions/*
+!uploads/sessions/.gitkeep
+
+site/assets/img/portfolio/*
+!site/assets/img/portfolio/.gitkeep
+
+site/assets/img/clients/*
+!site/assets/img/clients/.gitkeep
+
+site/assets/img/print_products/*
+!site/assets/img/print_products/.gitkeep
+
+assets/img/logo/*
+!assets/img/logo/.gitkeep
+
+assets/img/seo/*
+!assets/img/seo/.gitkeep
+
+# ─── Generated backups ──────────────────────────────────────────────────────
+backups/*
+!backups/.gitkeep
+
+# ─── Logs / editors / OS junk ───────────────────────────────────────────────
+*.log
+logs/*.jsonl
+!logs/.htaccess
+!logs/.gitkeep
+.vscode/
+.idea/
+.DS_Store
+Thumbs.db
+
+# ─── Claude Code linked worktrees (do not commit nested checkout content) ──
+.claude/worktrees/
+
+.claude/