add src/ikarus subdir and make names unique for objects per scope

Signed-off-by: Folling <mail@folling.io>

.clang-tidy

@@ -1,26 +1,24 @@
 Checks: >-
   -*,
-  bugprone-*, -bugprone-lambda-function-name,
-  cppcoreguidelines-*, -cppcoreguidelines-macro-usage, -cppcoreguidelines-owning-memory, -cppcoreguidelines-non-private-member-variables-in-classes,
-  clang-analyzer-*,
-  google-*, -google-readability-todo,
-  modernize-*, -modernize-use-trailing-return-type,
-  performance-*, -performance-enum-size,
-  portability-*,
-  readability-*, -readability-redundant-access-specifiers
+#  bugprone-*, -bugprone-lambda-function-name,
+#  cppcoreguidelines-*, -cppcoreguidelines-macro-usage, -cppcoreguidelines-owning-memory, -cppcoreguidelines-non-private-member-variables-in-classes,
+#  clang-analyzer-*,
+#  google-*, -google-readability-todo,
+#  modernize-*, -modernize-use-trailing-return-type,
+#  performance-*, -performance-enum-size,
+#  portability-*,
+#  readability-*, -readability-redundant-access-specifiers
 CheckOptions:
   readability-identifier-length.IgnoredParameterNames: '^(db|rc|id|ec)$'
   readability-identifier-length.IgnoredLoopCounterNames: '^[ij]$'
   readability-identifier-length.IgnoredVariableNames: '^(db|rc|id|ec)$'
   cppcoreguidelines-avoid-do-while.IgnoreMacros: Yes
 HeaderFileExtensions:
-  - h
-  - hpp
-  - tpp
-  - ipp
+#  - hpp
+#  - tpp
+#  - ipp
 ImplementationFileExtensions:
-  - c
-  - cpp
+#  - cpp
 FormatStyle: file
 InheritParentConfig: false
 WarningsAsErrors: '*'