Add rel noopener/noreferrer to external links

app/templates/index.html

@@ -42,7 +42,7 @@
 				</a>
 				<ul class="right hide-on-med-and-down">
 				<li><a href="/docs">API Docs</a></li>
-				<li><a href="https://github.com/uav4geo/LibreTranslate">GitHub</a></li>
+				<li><a href="https://github.com/uav4geo/LibreTranslate" rel="noopener noreferrer">GitHub</a></li>
 				{% if api_keys %}
 				<li><a href="javascript:setApiKey()" title="Set API Key"><i class="material-icons">vpn_key</i></a></li>
 				{% endif %}
@@ -50,7 +50,7 @@
 
 				<ul id="nav-mobile" class="sidenav">
 				<li><a href="/docs">API Docs</a></li>
-				<li><a href="https://github.com/uav4geo/LibreTranslate">GitHub</a></li>
+				<li><a href="https://github.com/uav4geo/LibreTranslate" rel="noopener noreferrer">GitHub</a></li>
 				{% if api_keys %}
 				<li><a href="javascript:setApiKey()" title="Set API Key"><i class="material-icons">vpn_key</i></a></li>
 				{% endif %}
@@ -161,7 +161,7 @@
 			</div>
 		</div>
 
-		<div class="section no-pad-bot" id="index-banner">
+		<div class="section no-pad-bot">
 			<div class="container">
 				<div class="row center">
 					<div class="col s12 m12">
@@ -184,13 +184,13 @@
 			</div>
 		</div>
 		{% if web_version %}
-		<div class="section no-pad-bot" id="index-banner">
+		<div class="section no-pad-bot">
 			<div class="container">
 				<div class="row center">
 					<div class="col s12 m12">
 						<h3 class="header">Open Source Machine Translation</h3>
 						<h4 class="header">100% Self-Hosted. No Limits. No Ties to Proprietary Services.</h4>
-						<br/><a class="waves-effect waves-light btn btn-large" href="https://github.com/uav4geo/LibreTranslate"><i class="material-icons left">cloud_download</i> Download</a>
+						<br/><a class="waves-effect waves-light btn btn-large" href="https://github.com/uav4geo/LibreTranslate" rel="noopener noreferrer"><i class="material-icons left">cloud_download</i> Download</a>
 						<br/><br/><br/>
 					</div>
 				</div>
@@ -206,11 +206,11 @@
 				<div class="col l12 s12">
 					<h5 class="white-text">LibreTranslate</h5>
 					<p class="grey-text text-lighten-4">Free and Open Source Machine Translation API</p>
-					<p><a class="grey-text text-lighten-4" href="https://www.gnu.org/licenses/agpl-3.0.en.html">License: AGPLv3</a></p>
+					<p><a class="grey-text text-lighten-4" href="https://www.gnu.org/licenses/agpl-3.0.en.html" rel="noopener noreferrer">License: AGPLv3</a></p>
 					<p><a class="grey-text text-lighten-4" href="/javascript-licenses" rel="jslicense">JavaScript license information</a></p>
 					{% if web_version %}
 					<p>
-						The public API on libretranslate.com should be used for testing, personal or infrequent use. If you're going to run an application in production, please <a href="https://github.com/uav4geo/LibreTranslate" class="grey-text text-lighten-4" style="text-decoration: underline;">host your own server</a> or <a class="grey-text text-lighten-4" href="https://uav4geo.com/contact" style="text-decoration: underline;">get in touch</a> to obtain an API key.
+						The public API on libretranslate.com should be used for testing, personal or infrequent use. If you're going to run an application in production, please <a href="https://github.com/uav4geo/LibreTranslate" class="grey-text text-lighten-4" style="text-decoration: underline;" rel="noopener noreferrer">host your own server</a> or <a class="grey-text text-lighten-4" href="https://uav4geo.com/contact" style="text-decoration: underline;" rel="noopener noreferrer">get in touch</a> to obtain an API key.
 					</p>
 					{% endif %}
 				</div>
@@ -218,7 +218,7 @@
 		</div>
 		<div class="footer-copyright center">
 			<p>
-				Made with ❤ by <a class="grey-text text-lighten-3" href="https://uav4geo.com">UAV4GEO</a> and powered by <a class="grey-text text-lighten-3" href="https://github.com/argosopentech/argos-translate/">Argos Translate</a>
+				Made with ❤ by <a class="grey-text text-lighten-3" href="https://uav4geo.com" rel="noopener noreferrer">UAV4GEO</a> and powered by <a class="grey-text text-lighten-3" href="https://github.com/argosopentech/argos-translate/" rel="noopener noreferrer">Argos Translate</a>
 			</p>
 		</div>
 	</footer>