feat: settings type and defaults

Co-Authored-By: Claude

src/settings.ts

@@ -0,0 +1,26 @@
+import { Strategy } from "./images";
+import { Pair } from "./frontmatter";
+
+export interface JekyllPublishSettings {
+  remoteUrl: string;
+  branch: string;
+  postsDir: string;
+  imagesDir: string;
+  defaultImageStrategy: Strategy;
+  presetFrontmatter: Pair[];
+  commitMessageTemplate: string;
+  authorName: string;
+  authorEmail: string;
+}
+
+export const DEFAULT_SETTINGS: JekyllPublishSettings = {
+  remoteUrl: "",
+  branch: "main",
+  postsDir: "_posts",
+  imagesDir: "assets/img",
+  defaultImageStrategy: "flat-slug",
+  presetFrontmatter: [],
+  commitMessageTemplate: "Publish: {{title}}",
+  authorName: "",
+  authorEmail: "",
+};