feat: add semantic-release toolchain (#5)

Author: JoshuaKGoldberg

.github/workflows/publish.yml

@@ -0,0 +1,19 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/prepare
+      - name: Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npx semantic-release

.github/workflows/release.yml

@@ -0,0 +1,22 @@
+{
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    "@semantic-release/github",
+    "@semantic-release/npm",
+    [
+      "@semantic-release/git",
+      {
+        "assets": [
+          "docs",
+          "lib",
+          "package.json",
+          "README.md",
+          "src",
+          "!src/**/*.test.*"
+        ],
+        "message": "chore(release): ${nextRelease.version}\n\n${nextRelease.notes}"
+      }
+    ]
+  ]
+}

.releaserc.json

@@ -2,6 +2,11 @@
   "author": "Josh Goldberg <npm@joshuakgoldberg.com>",
   "description": "TODO: description!",
   "devDependencies": {
+    "@semantic-release/commit-analyzer": "^9.0.2",
+    "@semantic-release/git": "^10.0.1",
+    "@semantic-release/github": "^8.0.6",
+    "@semantic-release/npm": "^9.0.1",
+    "@semantic-release/release-notes-generator": "^10.0.3",
     "@typescript-eslint/eslint-plugin": "^5.38.1",
     "@typescript-eslint/parser": "^5.38.1",
     "cspell": "^6.12.0",
@@ -11,6 +16,7 @@
     "lint-staged": ">=10",
     "markdownlint-cli": "^0.32.2",
     "prettier": "^2.7.1",
+    "semantic-release": "^19.0.5",
     "typescript": "^4.8.4",
     "vitest": "^0.23.4"
   },