feat: notes-python CRUD example + runtime path/query forwarding

- invoke.go: forward sub-path and query string to function pods
- server.js v0.1.2: add _path, _query, _method to event
- server.py v0.1.1: add _path, _query, _method to event
- upload.go: bump runtime versions (nodejs20:v0.1.2, python3.11:v0.1.1)
- examples/notes-python: CRUD notes via sub-path routing
  - sql-runner: generic SQL executor for DDL jobs
  - notes: CRUD router (/add, /update, /delete)
  - notes-list: SELECT all notes
  - init.tf: create TABLE + INDEX on apply

examples/notes-python/code/notes-list/handler.py

@@ -0,0 +1,22 @@
+# 2026-03-09
+# handler.py — возвращает все записи из таблицы notes.
+# GET/POST /fn/default/notes-list → JSON массив записей, сортировка по created_at DESC.
+import os
+import psycopg2
+import psycopg2.extras
+
+
+def handle(event):
+    dsn = os.environ['PG_DSN']
+    conn = psycopg2.connect(dsn)
+    try:
+        cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+        cur.execute(
+            "SELECT id, title, body, created_at::text FROM notes ORDER BY created_at DESC"
+        )
+        rows = cur.fetchall()
+        return [dict(r) for r in rows]
+    except Exception as e:
+        return {'error': str(e)}
+    finally:
+        conn.close()