Fix SDK (#487)

* **New Features**
  * Added a full SDK integration test suite with a minimal sample app and automated multi-platform build/run flows.
  * Added a new CLI build tool to orchestrate SDK download, build, packaging, and device install/run.

* **Documentation**
  * Added typography design token suggestion to ideas.

* **Chores**
  * Updated CI to run SDK integration prep and test steps.
  * Adjusted build artifact paths, license mappings, and repository ignore rules (including .tactility).

Tests/SdkIntegration/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.20)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+if (DEFINED ENV{TACTILITY_SDK_PATH})
+    set(TACTILITY_SDK_PATH $ENV{TACTILITY_SDK_PATH})
+else()
+    set(TACTILITY_SDK_PATH "../../release/TactilitySDK")
+    message(WARNING "⚠️ TACTILITY_SDK_PATH environment variable is not set, defaulting to ${TACTILITY_SDK_PATH}")
+endif()
+
+include("${TACTILITY_SDK_PATH}/TactilitySDK.cmake")
+set(EXTRA_COMPONENT_DIRS ${TACTILITY_SDK_PATH})
+
+project(SdkTest)
+tactility_project(SdkTest)