first version of a CONTRIBUTING.md

Author: OleMchls

CONTRIBUTING.md

@@ -0,0 +1,67 @@
+# Contributing to DNSimple/terraform-provider
+
+## Getting started
+
+#### 1. Clone the repository
+
+Clone the repository and move into it:
+
+```shell
+git clone git@github.com:dnsimple/terraform-provider-dnsimple.git
+cd terraform-provider-dnsimple
+```
+
+#### 2. Install Go & Terraform
+
+#### 3. Install the dependencies
+
+```shell
+go get ./...
+```
+
+#### 4. Build and test
+
+If you wish to work on the provider, you'll first need Go installed on your machine (version 1.12+ is required). You'll also need to correctly setup a GOPATH, as well as adding $GOPATH/bin to your $PATH.
+
+To compile the provider, run make build. This will build the provider and put the provider binary in the $GOPATH/bin directory.
+
+```shell
+$ make build
+...
+$ $GOPATH/bin/terraform-provider-dnsimple
+...
+```
+
+
+## Testing
+
+```shell
+make test
+```
+
+
+## Releasing
+
+The following instructions uses `$VERSION` as a placeholder, where `$VERSION` is a `MAJOR.MINOR.BUGFIX` release such as `1.2.0`.
+
+1. Run the test suite and ensure all the tests pass.
+
+1. Finalize the `## master` section in `CHANGELOG.md` assigning the version.
+
+1. Commit and push the changes
+
+    ```shell
+    git commit -a -m "Release $VERSION"
+    git push origin main
+    ```
+
+1. Wait for CI to complete.
+
+1. Create a signed tag.
+
+    ```shell
+    git tag -a v$VERSION -s -m "Release $VERSION"
+    git push origin --tags
+    ```
+
+1. CI and goreleaser will handle the rest