Merge pull request TheAlgorithms#957 from Shopify/min-max-filter-docs

Add docs for at_least and at_most filters

Author: Adam Hollett

filters/at_least.md

@@ -0,0 +1,30 @@
+---
+title: at_least
+description: Liquid filter that limits a number to a minimum value
+---
+
+Limits a number to a minimum value.
+
+<p class="code-label">Input</p>
+{% raw %}
+```liquid
+{{ 4 | at_least: 5 }}
+```
+{% endraw %}
+
+<p class="code-label">Output</p>
+```
+5
+```
+
+<p class="code-label">Input</p>
+{% raw %}
+```liquid
+{{ 4 | at_least: 3 }}
+```
+{% endraw %}
+
+<p class="code-label">Output</p>
+```
+4
+```

filters/at_most.md

@@ -0,0 +1,30 @@
+---
+title: at_most
+description: Liquid filter that limits a number to a maximum value
+---
+
+Limits a number to a maximum value.
+
+<p class="code-label">Input</p>
+{% raw %}
+```liquid
+{{ 4 | at_most: 5 }}
+```
+{% endraw %}
+
+<p class="code-label">Output</p>
+```
+4
+```
+
+<p class="code-label">Input</p>
+{% raw %}
+```liquid
+{{ 4 | at_most: 3 }}
+```
+{% endraw %}
+
+<p class="code-label">Output</p>
+```
+3
+```