repo: Add gitignore (#1)

Signed-off-by: Ryan Northey <ryan@synca.io>

Author: phlax

.gitignore

@@ -0,0 +1,55 @@
+# Dot files, disallow by default, and enable explicitly
+\.*
+!\.azure-pipelines
+!\.bazelci
+!\.bazelignore
+!\.bazelrc
+!\.bazelproject
+!\.bazelversion
+!\.circleci
+!\.clang-format
+!\.clang-tidy
+!\.coveragerc
+!\.devcontainer
+!\.dockerignore
+!\.eslintrc.yml
+!\.flake8
+!\.gitattributes
+!\.github
+!\.gitignore
+!\.python-version
+!\.style.yapf
+!\.yamllint
+!\.yapfignore
+!\.zuul
+!\.zuul.yaml
+
+/bazel-*
+/mobile/bazel-*
+BROWSE
+/build
+/build_*
+*.bzlc
+compile_commands.json
+cscope.*
+/generated
+*.pyc
+**/pyformat
+SOURCE_VERSION
+*.swap*
+tags
+TAGS
+clang-tidy-fixes.yaml
+clang.bazelrc
+user.bazelrc
+CMakeLists.txt
+cmake-build-debug
+/linux
+bazel.output.txt
+*~
+**/.DS_Store
+**/*.iml
+
+node_modules
+dist
+*.bak