Add clang-tidy configuration and watch script for improved code quality checks

.clang-tidy

@@ -0,0 +1,28 @@
+---
+Checks: >
+  -*,
+  clang-analyzer-*,
+  bugprone-*,
+  cert-*,
+  cppcoreguidelines-*,
+  modernize-*,
+  performance-*,
+  portability-*,
+  readability-*,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -readability-magic-numbers,
+  -modernize-use-trailing-return-type,
+  -cppcoreguidelines-owning-memory
+# WarningsAsErrors: "*"
+HeaderFilterRegex: "^(include|source)/"
+FormatStyle: none
+SystemHeaders: false
+CheckOptions:
+  - key: readability-identifier-naming.VariableCase
+    value: lower_case
+  - key: readability-identifier-naming.FunctionCase
+    value: lower_case
+  - key: readability-identifier-naming.ClassCase
+    value: CamelCase
+  - key: cppcoreguidelines-pro-bounds-pointer-arithmetic.AllowIncrementDecrementOperators
+    value: "true"