chore: Add Issue and PR templates

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: 2024 Shun Sakai
+#
+# SPDX-License-Identifier: CC0-1.0
+
+name: 🐞 Bug report
+description: Create a report to help us improve
+labels: ["bug"]
+
+body:
+  - type: checkboxes
+    attributes:
+      label: Checklist
+      options:
+        - label: I have searched the existing issues
+          required: true
+
+  - type: textarea
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here.
+    validations:
+      required: false
+
+  - type: checkboxes
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/sorairolake/japanese-era-dataset/blob/develop/CODE_OF_CONDUCT.md)
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: 2024 Shun Sakai
+#
+# SPDX-License-Identifier: CC0-1.0
+
+name: 💡 Feature request
+description: Suggest an idea for this project
+labels: ["enhancement"]
+
+body:
+  - type: checkboxes
+    attributes:
+      label: Checklist
+      options:
+        - label: I have searched the existing issues
+          required: true
+
+  - type: textarea
+    attributes:
+      label: Summary
+      description: A clear and concise description of what the suggestion is.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context about the feature request here.
+    validations:
+      required: false
+
+  - type: checkboxes
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/sorairolake/japanese-era-dataset/blob/develop/CODE_OF_CONDUCT.md)
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/dependabot.yml

@@ -8,3 +8,8 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/pull_request_template.md

@@ -0,0 +1,22 @@
+## Description
+
+<!-- Describe your changes in detail. -->
+
+<!--
+If it resolves an open issue, link to the issue here, otherwise remove this
+line.
+-->
+
+Closes #
+
+## Additional context
+
+<!-- If you have any other context, describe them here. -->
+
+## Checklist
+
+- [ ] I have read the [Contribution Guide].
+- [ ] I agree to follow the [Code of Conduct].
+
+[Contribution Guide]: https://github.com/sorairolake/japanese-era-dataset/blob/develop/CONTRIBUTING.adoc
+[Code of Conduct]: https://github.com/sorairolake/japanese-era-dataset/blob/develop/CODE_OF_CONDUCT.md

.github/pull_request_template.md.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2024 Shun Sakai
+
+SPDX-License-Identifier: CC0-1.0

.github/workflows/REUSE.yaml

@@ -8,6 +8,7 @@ on:
   pull_request:
   push:
     branches:
+      - "develop"
       - "master"
 
 jobs:

CONTRIBUTING.adoc

@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: 2024 Shun Sakai
+//
+// SPDX-License-Identifier: CC0-1.0
+
+= Contribution Guide
+:git-flow-url: https://nvie.com/posts/a-successful-git-branching-model/
+:commit-messages-guide-url: https://github.com/RomuloOliveira/commit-messages-guide
+:conventionalcommits-url: https://www.conventionalcommits.org/en/v1.0.0/
+
+Thank you for your interest in contributing to this project! If you would like
+to contribute to this project, please follow the instructions below if possible.
+
+== Branching model
+
+The branching model of this project is based on the {git-flow-url}[git-flow].
+
+== Style guides
+
+=== Commit message
+
+Please see the {commit-messages-guide-url}[Commit messages guide] and the
+{conventionalcommits-url}[Conventional Commits].
+
+== Submitting a pull request
+
+. Create a working branch from the `develop` branch. The branch name should be
+  something other than `develop` or `master`.
+. Create your patch. If your change is a feature or a bugfix, please add a test
+  case if possible. Note that the change must pass the CI.
+. Please update the copyright information if possible. This project is
+  compliant with version 3.2 of the
+  https://reuse.software/spec/[_REUSE Specification_].
+  https://github.com/fsfe/reuse-tool[`reuse`] is useful for updating the
+  copyright information.
+. Please update the link:CHANGELOG.adoc[Changelog] if possible.
+. Please read and agree to follow the link:CODE_OF_CONDUCT.md[Code of Conduct].