Add site_block_size and migration for beta.3

server/setup/scripts/1.0.0-beta3.ts

@@ -0,0 +1,42 @@
+import { configFilePath1, configFilePath2 } from "@server/lib/consts";
+import fs from "fs";
+import yaml from "js-yaml";
+
+export default async function migration() {
+    console.log("Running setup script 1.0.0-beta.3...");
+
+    // Determine which config file exists
+    const filePaths = [configFilePath1, configFilePath2];
+    let filePath = "";
+    for (const path of filePaths) {
+        if (fs.existsSync(path)) {
+            filePath = path;
+            break;
+        }
+    }
+
+    if (!filePath) {
+        throw new Error(
+            `No config file found (expected config.yml or config.yaml).`
+        );
+    }
+
+    // Read and parse the YAML file
+    let rawConfig: any;
+    const fileContents = fs.readFileSync(filePath, "utf8");
+    rawConfig = yaml.load(fileContents);
+
+    // Validate the structure
+    if (!rawConfig.gerbil) {
+        throw new Error(`Invalid config file: gerbil is missing.`);
+    }
+
+    // Update the config
+    rawConfig.gerbil.site_block_size = 29;
+
+    // Write the updated YAML back to the file
+    const updatedYaml = yaml.dump(rawConfig);
+    fs.writeFileSync(filePath, updatedYaml, "utf8");
+
+    console.log("Done.");
+}