Add trim method

Author: rtheunissen

_data/methods.yml

@@ -210,6 +210,11 @@ shift:
             type: int
             name: places
             desc: 'The number of places to shift the decimal point by. A positive shift moves the decimal point to the right, a negative shift moves the decimal point to the left.'
+trim:
+    name: trim
+    return:
+        desc: 'A copy of this decimal without trailing zeroes.'
+        type: Decimal
 precision:
     name: precision
     return:

_includes/rounding.md

@@ -30,4 +30,5 @@ You can also use the corresponding [PHP constants](http://php.net/manual/en/func
 {% include method.md method=site.data.methods.ceil %}
 {% include method.md method=site.data.methods.truncate %}
 {% include method.md method=site.data.methods.round %}
+{% include method.md method=site.data.methods.trim %}
 {% include method.md method=site.data.methods.toFixed %}