docs: fixed contribution markdown file (#90)

Author: xShteff

.github/workflows/first-interaction.yml

@@ -15,5 +15,5 @@ jobs:
     - uses: actions/first-interaction@v1
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
-        issue-message: 'Welcome to AsyncAPI.NET. Thank you ${{ github.event.pull_request.user.login }} for reporting your first issue. Please check out our [contributors guide](https://github.com/LEGO/AsyncAPI.NET/blob/main/CONTRIBUTION.md).'          
-        pr-message: 'Thank you ${{ github.event.pull_request.user.login }} for your first pull request to AsyncAPI.NET repository. Please check out our [contributors guide](https://github.com/LEGO/AsyncAPI.NET/blob/main/CONTRIBUTION.md).'
+        issue-message: 'Welcome to AsyncAPI.NET. Thank you ${{ github.event.pull_request.user.login }} for reporting your first issue. Please check out our [contributors guide](https://github.com/LEGO/AsyncAPI.NET/blob/main/CONTRIBUTING.md).'          
+        pr-message: 'Thank you ${{ github.event.pull_request.user.login }} for your first pull request to AsyncAPI.NET repository. Please check out our [contributors guide](https://github.com/LEGO/AsyncAPI.NET/blob/main/CONTRIBUTING.md).'

CONTRIBUTION.md CONTRIBUTING.md

@@ -75,7 +75,7 @@ var asyncApiDocument = new AsyncApiStreamReader().Read(stream, out var diagnosti
 ## Contribution
 
 This project welcomes contributions and suggestions.
-Do you want to contribute to the project? Find out how [here](CONTRIBUTION.md).
+Do you want to contribute to the project? Find out how [here](CONTRIBUTING.md).
 
 ## License
 [Modified Apache 2.0 (Section 6)](https://github.com/LEGO/AsyncAPI.NET/blob/main/LICENSE)