[Feat] Add Clang-Format and Clang-Tidy Configs

.clang-format

@@ -0,0 +1,21 @@
+BasedOnStyle: LLVM
+IndentWidth: 4
+UseTab: Never
+ColumnLimit: 160
+BreakBeforeBraces: Allman
+SeparateDefinitionBlocks: Always
+# BreakTemplateDeclarations: Yes
+BraceWrapping:
+  AfterClass: true
+  AfterControlStatement: true
+  AfterEnum: true
+  AfterFunction: true
+  AfterNamespace: true
+  AfterStruct: true
+  AfterUnion: true
+  BeforeCatch: true
+  BeforeElse: true
+  IndentBraces: false
+
+IndentRequiresClause: false
+

.clang-tidy

@@ -0,0 +1,36 @@
+---
+Checks:          'clang-diagnostic-*,clang-analyzer-*,-modernize-use-trailing-return-type,clang-diagnostic-narrowing-conversion,misc-include-cleaner'
+WarningsAsErrors: '*'
+HeaderFilterRegex: ''
+FormatStyle:     google
+CheckOptions:
+  - key:             cert-dcl16-c.NewSuffixes
+    value:           'L;LL;LU;LLU'
+  - key:             cert-oop54-cpp.WarnOnlyIfThisHasSuspiciousField
+    value:           '0'
+  - key:             cppcoreguidelines-explicit-virtual-functions.IgnoreDestructors
+    value:           '1'
+  - key:             cppcoreguidelines-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
+    value:           '1'
+  - key:             google-readability-braces-around-statements.ShortStatementLines
+    value:           '1'
+  - key:             google-readability-function-size.StatementThreshold
+    value:           '800'
+  - key:             google-readability-namespace-comments.ShortNamespaceLines
+    value:           '10'
+  - key:             google-readability-namespace-comments.SpacesBeforeComments
+    value:           '2'
+  - key:             modernize-loop-convert.MaxCopySize
+    value:           '16'
+  - key:             modernize-loop-convert.MinConfidence
+    value:           reasonable
+  - key:             modernize-loop-convert.NamingStyle
+    value:           CamelCase
+  - key:             modernize-pass-by-value.IncludeStyle
+    value:           llvm
+  - key:             modernize-replace-auto-ptr.IncludeStyle
+    value:           llvm
+  - key:             modernize-use-nullptr.NullMacros
+    value:           'NULL'
+...
+

src/main.cpp

@@ -1,5 +1,7 @@
 #include <iostream>
-int main() {
-  std::cout << "Hello World" << std::endl;
-  return 0;
+
+int main()
+{
+    std::cout << "Hello World" << std::endl;
+    return 0;
 }