Change right buttons to open tabs (#94)

Co-authored-by: Ludovic Lachance <[email protected]>
Co-authored-by: Ethan McCue <[email protected]>

Author: 3 people

theme/index.hbs

@@ -138,23 +138,23 @@
 
                     <div class="right-buttons">
                         {{#if print_enable}}
-                        <a href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
+                        <a target="_blank" href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
                             <i id="print-button" class="fa fa-print"></i>
                         </a>
                         {{/if}}
                         {{#if git_repository_url}}
-                        <a href="{{git_repository_url}}" title="Git repository" aria-label="Git repository">
+                        <a target="_blank" href="{{git_repository_url}}" title="Git repository" aria-label="Git repository">
                             <i id="git-repository-button" class="fa {{git_repository_icon}}"></i>
                         </a>
                         {{/if}}
                         {{#if git_repository_edit_url}}
-                        <a href="{{git_repository_edit_url}}" title="Suggest an edit" aria-label="Suggest an edit">
+                        <a target="_blank" href="{{git_repository_edit_url}}" title="Suggest an edit" aria-label="Suggest an edit">
                             <i id="git-edit-button" class="fa fa-edit"></i>
                         </a>
                         {{/if}}
 
 
-                        <a href="https://discord.gg/together-java-272761734820003841" title="Ask a question" aria-label="Ask a question">
+                        <a target="_blank" href="https://discord.gg/together-java-272761734820003841" title="Ask a question" aria-label="Ask a question">
                             <i id="ask-a-question-button" class="fa fa-question"></i>
                         </a>
                     </div>