Fix pyproject.toml TOML syntax and add LICENSE file

Author: laelhalawani

LICENSE

@@ -0,0 +1 @@
+MIT License. Copyright (c) 2025 aistack.pl. Permission is granted to use, copy, modify, and distribute this software for any purpose with or without fee. Provided "as is" without warranty of any kind.

pyproject.toml

@@ -4,11 +4,11 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "esp32-micropython"
-version = "0.2.0"
+version = "0.2.1"
 description = "All-in-one utility for flashing and managing MicroPython deployments on ESP32-C3 SuperMini boards."
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.11,<3.12"
-license = { text = "MIT" }
+license = "MIT"
 license-files = ["LICENSE"]
 authors = [
     { name = "aistack.pl", email = "lael@aistack.pl" },
@@ -24,7 +24,6 @@ classifiers = [
     "Topic :: System :: Hardware :: Hardware Drivers",
     "Topic :: Terminals :: Serial",
     "Topic :: Utilities",
-    "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.11",
     "Operating System :: OS Independent",
@@ -42,5 +41,5 @@ esp32 = "dm:main"
 [project.urls]
 Homepage = "https://laelhalawani.github.io/esp32_micropython/"
 Repository = "https://github.com/aistack-pl/esp32-micropython"
-Bug Tracker = "https://github.com/aistack-pl/esp32-micropython/issues"
+Bug_Tracker = "https://github.com/aistack-pl/esp32-micropython/issues"
 Documentation = "https://github.com/aistack-pl/esp32-micropython#readme"