ADD pre-commit configuration files

.clang-format

@@ -0,0 +1,12 @@
+---
+BasedOnStyle: Google
+IndentWidth: 4
+---
+Language: Cpp
+ColumnLimit: 90
+AlignConsecutiveAssignments: true
+DerivePointerAlignment: false
+PointerAlignment: Left
+BinPackArguments: false
+BinPackParameters: false
+IndentAccessModifiers: false

.pre-commit-config.yaml

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+files: ^main.cpp
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.3.0
+  hooks:
+  -   id: check-yaml
+      args: [--allow-multiple-documents]
+  -   id: end-of-file-fixer
+  -   id: trailing-whitespace
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: 'v14.0.6'
+  hooks:
+  -   id: clang-format
+- repo: https://github.com/cpplint/cpplint
+  rev: '1.6.1'
+  hooks:
+  -   id: cpplint
+- repo: local
+  hooks:
+  -   id: cppcheck
+      name: cppcheck
+      require_serial: true
+      entry: cppcheck --enable=all --suppress=missingInclude:* --inline-suppr -i mbed-os --std=c++14 --error-exitcode=1
+      language: system

cpplint.cfg

@@ -0,0 +1,2 @@
+linelength=90
+filter=-build/include_subdir,-whitespace/indent,-build/namespaces,-build/c++11