chore: update contribution guideline, issue template (#175)

* chore: change Discussions to GitHub discussions

* chore: add documentation for adding new language

.github/ISSUE_TEMPLATE/config.yml

@@ -2,7 +2,7 @@ blank_issues_enabled: false
 contact_links:
   - name: Questions or support
     url: https://github.com/hugo-sid/hugo-blog-awesome/discussions/
-    about: Please use Discussions to ask and answer questions.
+    about: Please use GitHub discussions to ask and answer questions.
   - name: Feature request
     url: https://github.com/hugo-sid/hugo-blog-awesome/discussions/categories/feature-requests
-    about: Please use the feature requests section in GitHub discussions to propose new features or ideas.
+    about: Please use the feature requests section in GitHub discussions to propose new features or ideas.

CONTRIBUTING.md

@@ -16,6 +16,16 @@ For questions you can visit [Q&A section](https://github.com/hugo-sid/hugo-blog-
 - We do recommend PRs to not exceed 200 lines (includes additions and deletions) of code.
 - Kindly ensure that you are **NOT** addressing multiple issues in one PR.
 
+## Adding a new language
+
+If you are adding support for a new language, you have to do the following:
+
+1. Add language specific configuration and parameters in `exampleSite/hugo.toml`
+2. Translate specific terms by creating a new language-specific file in the `i18n` directory
+3. Add translated content in `exampleSite/content` directory
+
+You can take a look at this [Pull request](https://github.com/hugo-sid/hugo-blog-awesome/pull/145) for reference.
+
 ## Commits
 
 This project adheres to [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/).