docs: add Base Mini PoA (TR/EN) example

docs/examples/base-mini-poa-tr/README.md

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+# Base Mini PoA (TR/EN)
+
+Minimal **Proof-of-Authority** style demo for builders exploring Base.
+This is an educational quickstart that spins up a local PoA-like dev net and shows
+how to deploy a simple contract + call it from a tiny script.
+
+> 🇹🇷 Kısa not: Türk geliştiriciler için özet adımlar ve açıklamalar README’nin sonunda.
+
+## What you get
+- Local PoA-like single-validator dev net (for education)
+- One simple contract deployment script
+- One client call script
+- Step-by-step commands you can copy/paste
+
+## Prereqs
+- Node 18+, pnpm or npm
+- Docker Desktop (for local devnet)
+
+## Quickstart
+```bash
+./quickstart.sh
+# spins a local devnet, then:
+# 1) installs deps
+# 2) compiles & deploys contract
+# 3) prints deployed address

docs/examples/base-mini-poa-tr/quickstart.sh

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+