chore: sync all local changes and new files

- Update next.config.ts
- Add netlify.toml, Docker configs, e2e tests
- Add env templates, docs (README, ROADMAP, TODO)
- Add vitest/playwright test configs
- Add component and lib tests
- Add install script, portainer env template
- Update .gitignore (tsbuildinfo, deno.lock, dev.db)

netlify.toml

@@ -0,0 +1,15 @@
+[build]
+  command = "npm run build"
+  publish = ".next"
+
+[[plugins]]
+  package = "@netlify/plugin-nextjs"
+
+[context.production]
+  environment = { NODE_VERSION = "22" }
+
+[context.deploy-preview]
+  environment = { NODE_VERSION = "22" }
+
+[context.branch-deploy]
+  environment = { NODE_VERSION = "22" }