Added README.md file.

Author: vikrantnegi

README.md

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+# Useful Shopify Code Snippets
+
+This is a list of useful Shopify Snippets that I often reference while developing Shopify themes. Feel Free to contribute.
+
+* [Display Products in a Collection](#display-products-in-a-collection)
+* [Calculate Discount on Products](#calculate-discount-on-products)
+* [Show More Products from a Vendor](#show-more-products-from-a-vendor)
+* [Display Articles in a Blog](#display-articles-in-a-blog)
+* [Display Links in a Linklist](#display-links-in-a-linklist)
+
+
+## Display Products in a Collection
+```html
+<div class="grid">
+  <h3 class="text-center avenir-head">Products</h3>
+  {% for product in collections.collection-name.products %}
+    <div class="grid__item medium-up--one-third">
+        <a href="{{ product.url }}"><img src="{{ product.featured_image | product_img_url: '345x' }}" alt="{{ product.title | escape  }}" /></a>
+        <div class="h4 grid-view-item__title"><span>{{ product.title }}</span></div>
+     </div>
+  {% endfor %}
+</div>
+```
+
+## Calculate Discount on Products
+```html
+{% capture discount %}
+{{ product.compare_at_price_max | minus:product.price | times:100 | divided_by:product.compare_at_price_max }}%
+{% endcapture %}
+  <span class="discount">OFF: {{ discount }}</span>
+```
+
+## Show More Products from a Vendor
+```html
+<div>
+  {% assign vendor = product.vendor %}
+  {% assign handle = product.handle %}
+  {% assign counter = '' %}
+  {% for product in collections.all.products %}
+  {% if vendor == product.vendor and counter.size < 4 and handle != product.handle %}
+  {% capture temp %}{{ counter }}*{% endcapture %}
+  {% assign counter = temp %}
+  <div class="recommendations_img">
+    <a href="{{ product.url | within: collection }}" title="{{ product.title }}">
+      <img src="{{ product.images.first | product_img_url: 'small' }}" alt="{{ product.title }}" />
+    </a>
+  </div><!-- .recommendations_img -->
+  {% endif %}
+  {% endfor %}
+</div>
+```
+
+## Display Articles in a Blog
+```html
+{% for article in blogs.journal.articles limit:1 %}
+  <li class="article">
+    <img src="{% if article.image %}{{ article | img_url: 'medium' }}{% endif %}" alt="" >
+    <a class="title" href="{{ article.url }}">{{ article.title }}</a>
+    <a class="date" href="{{ article.url }}">{{ article.published_at | date: "%B %d, %Y" }}</a>
+    <div class="rte content">{{ article.excerpt_or_content }}</div>
+  </li>
+{% endfor %}
+```
+
+
+## Display Links in a Linklist
+```html
+<ul class="list">
+  {% for link in linklists.linklist-handle.links %}
+     <li>{{ link.title | link_to: link.url }}</li>
+  {% endfor %}
+</ul>
+```
+