add license

CONTRIBUTING.md

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+# Contributing to `hostd`
+
+Thank you for considering contributing to `hostd`! We welcome your contributions
+and appreciate your effort in helping improve the project. To ensure a smooth
+and efficient collaboration, we have outlined some best practices for
+contributing. Please follow these guidelines to maintain clarity and
+organization throughout the development process.
+
+For users new to GitHub, we recommend reading the [GitHub Flow](https://guides.github.com/introduction/flow/)
+
+## Fork the repository
+
+To get started, fork the hostd repository to your GitHub account. This will
+create a copy of the repository under your own account, allowing you to freely
+make changes without affecting the original project.
+
+## Create a descriptive branch
+
+When working on a new feature or fixing a bug, create a new branch that clearly
+describes the purpose of your changes. Use descriptive and meaningful names to
+make it easier for others to understand the purpose of the branch. Only
+implement one logical change per branch.
+
+```sh
+git checkout -b feature/descriptive-branch-name
+```
+
+## Keep History Clean with Rebasing
+
+To keep the commit history clean and maintain a linear progression of changes,
+use the git rebase command to incorporate the latest changes from the main
+branch into your branch before submitting a pull request. This will help avoid
+unnecessary merge commits.
+
+```sh
+git pull --rebase origin master
+```
+
+## Write descriptive commit messages
+
+When committing changes, write a descriptive commit message that clearly and
+concisely describes the purpose of the change.
+
+## Lint & Test
+
+Before submitting a pull request, run the linter and tests to ensure that your
+changes do not break any existing functionality. If you are adding new
+functionality, include tests to verify that the new code works as expected.
+`hostd` uses [golangci-lint](https://golangci-lint.run/usage/install/) to lint.
+
+### Run tests
+
+```sh
+go test -race -failfast -tags=testing ./...
+```
+
+### Run linter
+
+1. Install golangci-lint
+2. Run `golangci-lint run` to lint the code
+
+## Submit a pull request
+
+Once you have completed your changes and are ready to submit them, create a pull
+request (PR) from your branch to the main repository. Provide a clear and
+concise description of the changes you have made, including any relevant details
+that can help reviewers understand the purpose and impact of your contributions.

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2022 The Sia Foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.