docs: thanks (#10518)

README.md

@@ -61,10 +61,18 @@ Misskey Documentation can be found at [Misskey Hub](https://misskey-hub.net/), s
 
 ## Thanks
 
-<a href="https://www.chromatic.com/"><img src="https://user-images.githubusercontent.com/321738/84662277-e3db4f80-af1b-11ea-88f5-91d67a5e59f6.png" width="153" height="30" alt="Chromatic" /></a>
+<a href="https://www.chromatic.com/"><img src="https://user-images.githubusercontent.com/321738/84662277-e3db4f80-af1b-11ea-88f5-91d67a5e59f6.png" height="30" alt="Chromatic" /></a>
 
 Thanks to [Chromatic](https://www.chromatic.com/) for providing the visual testing platform that helps us review UI changes and catch visual regressions.
 
-<a href="https://hub.docker.com/"><img src="https://user-images.githubusercontent.com/20679825/230148221-f8e73a32-a49b-47c3-9029-9a15c3824f92.png" width="117" height="30" alt="Docker" /></a>
+<a href="https://about.codecov.io/for/open-source/"><img src="https://about.codecov.io/wp-content/themes/codecov/assets/brand/sentry-cobranding/logos/codecov-by-sentry-logo.svg" height="30" alt="Codecov" /></a>
+
+Thanks to [Codecov](https://about.codecov.io/for/open-source/) for providing the code coverage platform that helps us improve our test coverage.
+
+<a href="https://crowdin.com/"><img src="https://user-images.githubusercontent.com/20679825/230709597-1299a011-171a-4294-a91e-355a9b37c672.svg" height="30" alt="Crowdin" /></a>
+
+Thanks to [Crowdin](https://crowdin.com/) for providing the localization platform that helps us translate Misskey into many languages.
+
+<a href="https://hub.docker.com/"><img src="https://user-images.githubusercontent.com/20679825/230148221-f8e73a32-a49b-47c3-9029-9a15c3824f92.png" height="30" alt="Docker" /></a>
 
 Thanks to [Docker](https://hub.docker.com/) for providing the container platform that helps us run Misskey in production.