add doca into docs generation tools

Author: tajo

content/implementations.html

@@ -182,12 +182,13 @@ <h3>JavaScript</h3>
 </div>
 
 <div class="show-hide" data-target="documentation-list"></div>
-<h2>Documentation generation (4)</h2>
+<h2>Documentation generation (5)</h2>
 <div class="block" id="documentation-list">
 	<h3>JavaScript</h3>
 	<ul>
 		<li><a id="link-impl-matic" href="https://github.com/mattyod/matic">Matic</a> (MIT)</li>
 		<li><a id="link-impl-docson" href="https://github.com/lbovet/docson">Docson</a> (Apache 2.0)</li>
+    <li><a id="link-impl-doca" href="https://github.com/cloudflare/doca">doca</a> (BSD)</li>
     <li><a id="link-impl-docs-generator" href="https://github.com/cloudflare/json-schema-docs-generator/">json-schema-docs-generator</a> (MIT)</li>
 	</ul>
 </div>

implementations.html

@@ -176,7 +176,7 @@ <h3>Java</h3>
 	<ul>
 		<li><a id="link-impl-java" href="https://github.com/FasterXML/jackson-module-jsonSchema">Jackson JSON Schema Module</a> - (Apache 2.0)</li>
 	</ul>
-	
+
 	<h3>Haskell</h3>
 	<ul>
 		<li><a id="link-impl-jsonschema-gen" href="https://github.com/yuga/jsonschema-gen">jsonschema-gen</a> (BSD3) -  A generator for JSON Schema from Algebraic Data Type in Haskell.
@@ -275,12 +275,13 @@ <h3>Command line</h3>
 </div>
 
 <div class="show-hide" data-target="documentation-list"></div>
-<h2>Documentation generation (4)</h2>
+<h2>Documentation generation (5)</h2>
 <div class="block" id="documentation-list">
 	<h3>JavaScript</h3>
 	<ul>
 		<li><a id="link-impl-matic" href="https://github.com/mattyod/matic">Matic</a> (MIT)</li>
 		<li><a id="link-impl-docson" href="https://github.com/lbovet/docson">Docson</a> (Apache 2.0)</li>
+    <li><a id="link-impl-doca" href="https://github.com/cloudflare/doca">doca</a> (BSD)</li>
     <li><a id="link-impl-docs-generator" href="https://github.com/cloudflare/json-schema-docs-generator/">json-schema-docs-generator</a> (MIT)</li>
 	</ul>