docs: update contributing guide with detailed sections for i18n package contributions

Author: brionmario

CONTRIBUTING.md

@@ -6,22 +6,27 @@ This guide walks you through setting up the development environment and other im
 
 - [Prerequisite Software](#prerequisite-software)
 - [Development Tools](#development-tools)
-  - [NX Console](#nx-console)
-  - [React Developer Tools](#react-developer-tools)
-  - [ESLint Plugin](#eslint-plugin)
-  - [Code Spell Checker](#code-spell-checker)
-  - [JSON Sort Order](#json-sort-order)
 - [Setting up the Source Code](#setting-up-the-source-code)
 - [Setting up the Development Environment](#setting-up-the-development-environment)
 - [Commit Message Guidelines](#commit-message-guidelines)
-  - [Commit Message Header](#commit-header)
-    - [Type](#type)
-    - [Scope](#scope)
-    - [Summary](#summary)
-  - [Commit Message Body](#commit-body)
-  - [Commit Message Footer](#commit-footer)
+  - [Types](#types)
+  - [Scope](#scope)
+  - [Example Commit Message](#example-commit-message)
   - [Revert commits](#revert-commits)
-- [Contributing to the Documentation](#contributing-to-the-documentation)
+- [Contributing](#contributing)
+  - [Contributing to the Internalization (i18n) Package](#contributing-to-the-internalization-i18n-package)
+    - [Adding a New Language](#adding-a-new-language)
+      - [Create a new language file](#create-a-new-language-file)
+      - [Copy the structure from the existing language file](#copy-the-structure-from-the-existing-language-file)
+      - [Update the translations and metadata](#update-the-translations-and-metadata)
+      - [Export the new language bundle](#export-the-new-language-bundle)
+      - [Add the export to the translations index](#add-the-export-to-the-translations-index)
+    - [Test your translation](#test-your-translation)
+      - [Option 1: Using `npm` symlinks](#option-1-using-npm-symlinks)
+      - [Option 2: Integrate into an existing sample](#option-2-integrate-into-an-existing-sample)
+      - [Testing with AsgardeoProvider](#testing-with-asgardeoprovider)
+      - [Update documentation](#update-documentation)
+  - [Contributing to the Documentation](#contributing-to-the-documentation)
 
 ## Prerequisite Software