Update README and backend functionality for improved news application

- Enhanced README.md with a clearer project overview, features, technologies used, and installation instructions.
- Updated vector dimension in config.py from 4096 to 1024 for Cohere embeddings.
- Modified main.py to serve HTML responses for the home page, news fetching, and recommendations.
- Improved error handling and ensured articles have links in the responses.
- Cleaned up news_fetcher.py by removing unnecessary print statements.
- Updated recommender.py to refine insights generation and summary extraction.
- Added Jinja2 for templating and improved the project structure for better organization.
- Included API documentation for better understanding of endpoints and usage.

backend/templates/news.html

@@ -0,0 +1,42 @@
+{% extends "base.html" %}
+
+{% block title %}Latest News - DS Task AI News{% endblock %}
+
+{% block content %}
+<div class="space-y-6">
+    <h2 class="text-3xl font-bold text-gray-800 mb-6">Latest News Articles</h2>
+    
+    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+        {% for article in articles %}
+        <article class="article-card bg-white rounded-lg shadow-md overflow-hidden">
+            <div class="p-6">
+                <h3 class="text-xl font-semibold text-gray-800 mb-2">
+                    <a href="{{ article.link }}" target="_blank" class="hover:text-blue-600">
+                        {{ article.title }}
+                    </a>
+                </h3>
+                <p class="text-gray-600 mb-4">{{ article.content[:200] }}...</p>
+                <div class="flex justify-between items-center text-sm text-gray-500">
+                    <span>{{ article.source }}</span>
+                    <span>{{ article.published }}</span>
+                </div>
+                {% if article.categories %}
+                <div class="mt-4 flex flex-wrap gap-2">
+                    {% for category in article.categories %}
+                    <span class="px-2 py-1 bg-blue-100 text-blue-800 rounded-full text-xs">
+                        {{ category }}
+                    </span>
+                    {% endfor %}
+                </div>
+                {% endif %}
+                <div class="mt-4">
+                    <a href="{{ article.link }}" target="_blank" class="inline-block bg-blue-600 text-white px-4 py-2 rounded-md font-medium hover:bg-blue-700 transition-colors duration-300">
+                        Read More
+                    </a>
+                </div>
+            </div>
+        </article>
+        {% endfor %}
+    </div>
+</div>
+{% endblock %}