ci) add gitea actions and refresh readme (#1)

Summary:\n- replace scaffold README with project-specific setup, testing, Docker, and CI docs\n- add PR workflow to run lint, unit tests, app build, and Docker build\n- add main-branch workflow to build and push Docker images to Gitea registry\n\nNotes:\n- publish workflow expects REGISTRY_USERNAME and REGISTRY_PASSWORD repository secrets\n- image tags pushed: latest and short commit SHA\n\nTesting:\n- not run locally (workflows execute in Gitea Actions)
Reviewed-on: CampbellWireless/trips#1
Co-authored-by: Shaun Campbell <shaun@campbellwireless.net>
Co-committed-by: Shaun Campbell <shaun@campbellwireless.net>

svelte.config.js

@@ -0,0 +1,15 @@
+import adapter from '@sveltejs/adapter-node';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+	preprocess: vitePreprocess(),
+	kit: {
+		adapter: adapter(),
+		paths: {
+			base: '/trips'
+		}
+	}
+};
+
+export default config;