Add release notes for version 0.13.0 - CLI consolidation

Author: hmaarrfk

HISTORY.md

@@ -1,5 +1,15 @@
 # History
 
+## 0.13.0 (2025-08-22)
+
+* Consolidate multiple entry points into a single `teensytoany` command with subcommands:
+  - `teensytoany programmer` (replaces `teensytoany_programmer`)
+  - `teensytoany i2c-scan` (replaces `teensytoany_i2c_scan`)
+  - `teensytoany list` (replaces `teensytoany_list`)
+* Maintain backward compatibility with deprecation warnings for old entry points
+* Refactor CLI structure to separate logic from Click command functions
+* Add comprehensive test coverage for new consolidated command structure
+
 ## 0.12.1 (2025-08-22)
 
 * Add `fastled_set_max_refresh_rate` method to control FastLED refresh rate.