Update documentation and clients for v1.1.0

Documentation updates:
- Fix v0.1.0 → v1.1.0 version numbers in en, ru, fa, zh docs
- Add missing Window Functions, Multi-Tenant ERP, Supported Keywords sections
  to ru, fa, zh baraql.md (~105 lines each)
- Expand Turkish and Arabic baraql.md (110 → 268 lines)
- Expand Turkish and Arabic installation.md (62 → 307 lines)
- Add new Bulgarian documentation files (18 new files)

Client updates:
- Python: Full async/await rewrite with asyncio, request queueing
- Rust: Full async/await rewrite with tokio, async examples
- Nim: Update README to v1.1.0
- All clients now support async patterns consistently

clients/python/baradb/__init__.py

@@ -1,20 +1,34 @@
 """
-BaraDB Python Client
+BaraDB Python Async Client
 
-Official Python client for BaraDB — Multimodal Database Engine.
+Official async Python client for BaraDB — Multimodal Database Engine.
 Communicates via the BaraDB Wire Protocol (binary, big-endian, TCP).
 
 Install:
     pip install baradb
 
 Quick Start:
+    import asyncio
     from baradb import Client
-    client = Client("localhost", 9472)
-    client.connect()
-    result = client.query("SELECT name FROM users WHERE age > 18")
-    for row in result:
-        print(row["name"])
-    client.close()
+
+    async def main():
+        client = Client("localhost", 9472)
+        await client.connect()
+        result = await client.query("SELECT name FROM users WHERE age > 18")
+        for row in result:
+            print(row["name"])
+        await client.close()
+
+    asyncio.run(main())
+
+Parameterized Queries:
+    result = await client.query_params(
+        "SELECT * FROM users WHERE age > $1",
+        [WireValue.int64(18)]
+    )
+
+Authentication:
+    await client.auth("jwt-token-here")
 """
 
 from .core import (
@@ -27,7 +41,7 @@ from .core import (
     ResultFormat,
 )
 
-__version__ = "1.0.0"
+__version__ = "1.1.0"
 __all__ = [
     "Client",
     "QueryBuilder",
@@ -36,4 +50,4 @@ __all__ = [
     "MsgKind",
     "FieldKind",
     "ResultFormat",
-]
+]