Implemented TactilityKernel and DevicetreeCompiler, updated licenses & copyrights (#452)

**New features**

- Created a devicetree DTS and YAML parser in Python
- Created new modules:
  - TactilityKernel (LGPL v3.0 license)
  - Platforms/PlatformEsp32 (LGPL v3.0 license) 
  - Platforms/PlatformPosix (LGPL v3.0 license)
  - Tests/TactilityKernelTests

Most boards have a placeholder DTS file, while T-Lora Pager has a few devices attached.

**Licenses**

Clarified licenses and copyrights better.

- Add explanation about the intent behind them.
- Added explanation about licenses for past and future subprojects
- Added more details explanations with regards to the logo usage
- Copied licenses to subprojects to make it more explicit

Devices/lilygo-tlora-pager/Source/drivers/TloraPager.cpp

@@ -0,0 +1,27 @@
+#include "TloraPager.h"
+
+#include <Tactility/Driver.h>
+
+#include <esp_log.h>
+
+extern "C" {
+
+static int start(Device* device) {
+    return 0;
+}
+
+static int stop(Device* device) {
+    return 0;
+}
+
+Driver tlora_pager_driver = {
+    .name = "T-Lora Pager",
+    .compatible = (const char*[]) { "lilygo,tlora-pager", nullptr },
+    .start_device = start,
+    .stop_device = stop,
+    .api = nullptr,
+    .device_type = nullptr,
+    .internal = { 0 }
+};
+
+}