fix: typo docs and contributors link in CONTRIBUTING.md (#4639)

* fix: contributors link

* fix: 01-command-line-reference close scope

* Update 01-command-line-reference.md

* fix linting

Signed-off-by: sashashura <93376818+sashashura@users.noreply.github.com>
Co-authored-by: Alex <93376818+sashashura@users.noreply.github.com>
Co-authored-by: Lukas Taegert-Atkinson <lukastaegert@users.noreply.github.com>
Co-authored-by: Lukas Taegert-Atkinson <lukas.taegert-atkinson@tngtech.com>

CONTRIBUTING.md

@@ -38,7 +38,7 @@ If you require technical assistance, [Stackoverflow](https://stackoverflow.com/q
 
 ### Contributors
 
-Thank you to all the people who have already contributed to rollup! <a href="graphs/contributors"><img src="https://opencollective.com/rollup/contributors.svg?width=890" /></a>
+Thank you to all the people who have already contributed to rollup! <a href="https://github.com/rollup/rollup/graphs/contributors"><img src="https://opencollective.com/rollup/contributors.svg?width=890" /></a>
 
 ### Backers
 

docs/01-command-line-reference.md

@@ -232,7 +232,9 @@ Alternatively you can use the `defineConfig` helper, which should provide Intell
 // rollup.config.js
 import { defineConfig } from 'rollup';
 
-export default defineConfig({ /* your config */ };
+export default defineConfig({
+  /* your config */
+});
 ```
 
 Besides `RollupOptions` and the `defineConfig` helper that encapsulates this type, the following types can prove useful as well: