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

Buildscripts/DevicetreeCompiler/source/models.py

@@ -0,0 +1,42 @@
+from dataclasses import dataclass
+
+@dataclass
+class DtsVersion:
+    version: str
+
+@dataclass
+class Device:
+    identifier: str
+    properties: list
+    devices: list
+
+@dataclass
+class DeviceProperty:
+    name: str
+    type: str
+    value: object
+
+@dataclass
+class PropertyValue:
+    type: str
+    value: object
+
+@dataclass
+class IncludeC:
+    statement: str
+
+@dataclass
+class BindingProperty:
+    name: str
+    type: str
+    required: bool
+    description: str
+
+@dataclass
+class Binding:
+    filename: str
+    compatible: list[str]
+    description: str
+    properties: list[BindingProperty]
+    includes: list[str]
+    bus: str = None