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

Firmware/Source/Main.cpp

@@ -1,5 +1,8 @@
 #include <Tactility/Tactility.h>
 
+#include <Tactility/Driver.h>
+#include <devicetree.h>
+
 #ifdef ESP_PLATFORM
 #include <tt_init.h>
 #else
@@ -11,6 +14,10 @@ extern const tt::hal::Configuration hardwareConfiguration;
 
 extern "C" {
 
+extern void register_kernel_drivers();
+extern void register_platform_drivers();
+extern void register_device_drivers();
+
 void app_main() {
     static const tt::Configuration config = {
         /**
@@ -24,6 +31,11 @@ void app_main() {
     tt_init_tactility_c(); // ELF bindings for side-loading on ESP32
 #endif
 
+    register_kernel_drivers();
+    register_platform_drivers();
+    register_device_drivers();
+
+    devices_builtin_init();
     tt::run(config);
 }