Add option for GET request for simple barcodes

templates/help.html

@@ -4,7 +4,12 @@
 {{ end }}
 
 {{ define "body" }}
-    <p>API Requests can be made by making a POST request to /generate</p>
+    <p>For simple textual QR, Aztec or DataMatrix codes, a GET request can be made as follows:</p>
+    <code>/generate?type=[qr|aztec|datamatrix]&text=[YOUR_TEXT]</code>
+    <p>Dimensions will default to 300x300, and ECC level to 2.</p>
+    <p>This is also the format for URL barcodes</p>
+
+    <p>For other barcode types and custom options, API Requests can be made by making a POST request to /generate</p>
 
     <p>The request body should be JSON similar to the below</p>
 
@@ -35,6 +40,7 @@
 
     <p>The response will be a PNG image</p>
 
+
     <h2>Formatted Barcodes</h2>
 
     <p>Formatted barcodes are under development, this API endpoint <code>/generate/format</code> will produce a QR, Aztec or Datamatrix barcode with one of the following formats:</p>
@@ -47,4 +53,5 @@
         <li>Phone Number</li>
     </ul>
     <p>Note that URLs have no special formatting and can be produced as plain text barcodes using the <code>/generate</code> endpoint</p>
+    <p>This endpoint is not yet available</p>
 {{ end }}