build: set up versioning with semantic-release

.gitignore

@@ -0,0 +1 @@
+node_modules

.releaserc.json

@@ -0,0 +1,20 @@
+{
+    "branches": [
+        "main"
+    ],
+    "plugins": [
+        "@semantic-release/commit-analyzer",
+        "@semantic-release/release-notes-generator",
+        "@semantic-release/changelog",
+        [
+            "@semantic-release/git",
+            {
+                "assets": [
+                    "manifest.json",
+                    "CHANGELOG.md"
+                ],
+                "message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+            }
+        ]
+    ]
+}

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "Goose Highlighter",
-  "version": "1.1",
+  "version": "1.1.1",
   "description": "Highlight text on web pages",
   "default_locale": "en",
   "permissions": [

package.json

@@ -0,0 +1,10 @@
+{
+  "devDependencies": {
+    "@semantic-release/changelog": "^6.0.3",
+    "@semantic-release/git": "^10.0.1",
+    "semantic-release": "^24.2.5"
+  },
+  "scripts": {
+    "prepare": "node scripts/update-manifest-version.js"
+  }
+}

scripts/update-manifest-version.js

@@ -0,0 +1,14 @@
+const fs = require("fs");
+const path = "./manifest.json";
+
+const version = process.env.npm_package_version;
+if (!version) {
+    console.error("Version not found in npm_package_version.");
+    process.exit(1);
+}
+
+const manifest = JSON.parse(fs.readFileSync(path, "utf8"));
+manifest.version = version;
+fs.writeFileSync(path, JSON.stringify(manifest, null, 2));
+
+console.log(`Updated manifest.json to version ${version}`);