Add Turkish (tr) docs and update README (#744)

* Add Turkish (tr) docs and update README

Add a full set of Turkish documentation under docs/tr (agents, changelog, CLAUDE guide, contributing, code of conduct, and many agents/commands/skills/rules files). Update README to include a link to the Turkish docs and increment the supported language count from 5 to 6. This commit adds localized guidance and references to help Turkish-speaking contributors and users.

* Update docs/tr/TROUBLESHOOTING.md

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

* Update docs/tr/README.md

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

* docs(tr): fix license link and update readmes

Update Turkish docs: change license badge link to point to repository root (../../LICENSE), increment displayed language count from 5 to 6, and remove two outdated related links from docs/tr/examples/README.md to keep references accurate.

* Update docs/tr/commands/instinct-import.md

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

* Update docs/tr/commands/checkpoint.md

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

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Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

docs/tr/rules/python/coding-style.md

@@ -0,0 +1,42 @@
+---
+paths:
+  - "**/*.py"
+  - "**/*.pyi"
+---
+# Python Kodlama Stili
+
+> Bu dosya [common/coding-style.md](../common/coding-style.md) dosyasını Python'a özgü içerikle genişletir.
+
+## Standartlar
+
+- **PEP 8** konvansiyonlarını takip et
+- Tüm fonksiyon imzalarında **type annotation'lar** kullan
+
+## Immutability
+
+Immutable veri yapılarını tercih et:
+
+```python
+from dataclasses import dataclass
+
+@dataclass(frozen=True)
+class User:
+    name: str
+    email: str
+
+from typing import NamedTuple
+
+class Point(NamedTuple):
+    x: float
+    y: float
+```
+
+## Formatlama
+
+- Kod formatlama için **black**
+- Import sıralama için **isort**
+- Linting için **ruff**
+
+## Referans
+
+Kapsamlı Python idiom'ları ve pattern'leri için skill: `python-patterns` dosyasına bakın.