Add initial clang-tidy file

.clang-tidy

@@ -0,0 +1,77 @@
+---
+Checks:          '-*,
+                    bugprone-*,
+                    cppcoreguidelines-*,
+                    google-explicit-constructor,
+                    misc-*,
+                    modernize-avoid-bind,
+                    modernize-concat-nested-namespaces,
+                    modernize-loop-convert,
+                    modernize-make-shared,
+                    modernize-make-unique,
+                    modernize-redundant-void-arg,
+                    modernize-replace-random-shuffle,
+                    modernize-shrink-to-fit,
+                    modernize-use-bool-literals,
+                    modernize-use-default-member-init,
+                    modernize-use-emplace,
+                    modernize-use-equals-default,
+                    modernize-use-equals-delete,
+                    modernize-use-noexcept,
+                    modernize-use-nullptr,
+                    modernize-use-override,
+                    modernize-use-transparent-functors,
+                    performance-*,
+                    readability-*'
+CheckOptions:
+  - key:             readability-identifier-naming.ClassCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.ClassMemberCase
+    value:           lower_case
+  - key:             readability-identifier-naming.ConstexprVariableCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.ConstexprVariablePrefix
+    value:           k
+  - key:             readability-identifier-naming.EnumCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.EnumConstantCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.EnumConstantPrefix
+    value:           k
+  - key:             readability-identifier-naming.FunctionCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.GlobalConstantCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.GlobalConstantPrefix
+    value:           k
+  - key:             readability-identifier-naming.StaticConstantCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.StaticConstantPrefix
+    value:           k
+  - key:             readability-identifier-naming.StaticVariableCase
+    value:           lower_case
+  - key:             readability-identifier-naming.MacroDefinitionCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.MacroDefinitionIgnoredRegexp
+    value:           '^[A-Z]+(_[A-Z]+)*_$'
+  - key:             readability-identifier-naming.MemberCase
+    value:           lower_case
+  - key:             readability-identifier-naming.PrivateMemberSuffix
+    value:           _
+  - key:             readability-identifier-naming.PublicMemberSuffix
+    value:           ''
+  - key:             readability-identifier-naming.NamespaceCase
+    value:           lower_case
+  - key:             readability-identifier-naming.ParameterCase
+    value:           lower_case
+  - key:             readability-identifier-naming.TypeAliasCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.TypedefCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.VariableCase
+    value:           lower_case
+  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
+    value:           1
+...
+
+