chore: Adding CoC, ReadMe and Makefile

Signed-off-by: Pritesh Bandi <[email protected]>

CODE_OF_CONDUCT.md

@@ -0,0 +1,3 @@
+# Code of Conduct
+
+Notation follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).

Makefile

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+# Copyright The Notary Project Authors.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.PHONY: help
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-25s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: all
+all: test
+
+.PHONY: test
+test: check-line-endings ## run unit tests
+	go test -race -v -coverprofile=coverage.txt -covermode=atomic ./...
+
+.PHONY: clean
+clean:
+	git status --ignored --short | grep '^!! ' | sed 's/!! //' | xargs rm -rf
+
+.PHONY: check-line-endings
+check-line-endings: ## check line endings
+	! find . -name "*.go" -type f -exec file "{}" ";" | grep CRLF
+	! find scripts -name "*.sh" -type f -exec file "{}" ";" | grep CRLF
+
+.PHONY: fix-line-endings
+fix-line-endings: ## fix line endings
+	find . -type f -name "*.go" -exec sed -i -e "s/\r//g" {} +

README.md

@@ -1,2 +1,30 @@
 # notation-plugin-framework-go
-Contains framework or base for notation plugins
+
+[![Build Status](https://github.com/notaryproject/notation-plugin-framework-go/actions/workflows/build.yml/badge.svg?event=push&branch=main)](https://github.com/notaryproject/notation-plugin-framework-go/actions/workflows/build.yml?query=workflow%3Abuild+event%3Apush+branch%3Amain)
+[![Codecov](https://codecov.io/gh/notaryproject/notation-plugin-framework-go/branch/main/graph/badge.svg)](https://codecov.io/gh/notaryproject/notation-plugin-framework-go)
+[![Go Reference](https://pkg.go.dev/badge/github.com/notaryproject/notation-plugin-framework-go.svg)](https://pkg.go.dev/github.com/notaryproject/notation-plugin-framework-go@main)
+
+notation-plugin-framework-go contains framework or library required to create notation plugins as per [Notary Project specifications](https://github.com/notaryproject/specifications).
+
+Please visit [README](https://github.com/notaryproject/.github/blob/main/README.md) to know more about Notary Project.
+
+> [!NOTE]
+> The Notary Project documentation is available [here](https://notaryproject.dev/docs/).
+
+## Table of Contents
+
+- [Documentation](#documentation)
+- [Code of Conduct](#code-of-conduct)
+- [License](#license)
+
+## Documentation
+
+Library documentation is available at [Go Reference](https://pkg.go.dev/github.com/notaryproject/notation-plugin-framework-go).
+
+## Code of Conduct
+
+This project has adopted the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md). See [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md) for further details.
+
+## License
+
+This project is covered under the Apache 2.0 license. You can read the license [here](LICENSE).