Feature/add docs (#689)

* Add converted docs repo

* Set theme jekyll-theme-minimal

* Removed BC docs, added TOC

* Added TOCs, rewrote most important links in documentation. Linked README to new Github Pages site

* some link fixes

docs/programmers/api-functions/api-get-template-dir.md

@@ -0,0 +1,40 @@
+getTemplateDir()
+
+return the directory where templates are stored
+
+Description
+===========
+
+string\|array
+
+getTemplateDir
+
+string
+
+key
+
+
+    <?php
+
+    // set some template directories
+    $smarty->setTemplateDir(array(
+        'one' => './templates',
+        'two' => './templates_2',
+        'three' => './templates_3',
+    ));
+
+    // get all directories where templates are stored
+    $template_dir = $smarty->getTemplateDir();
+    var_dump($template_dir); // array
+
+    // get directory identified by key
+    $template_dir = $smarty->getTemplateDir('one');
+    var_dump($template_dir); // string
+
+    ?>
+
+       
+
+See also [`setTemplateDir()`](#api.set.template.dir),
+[`addTemplateDir()`](#api.add.template.dir) and
+[`$template_dir`](#variable.template.dir).