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-set-config-dir.md

@@ -0,0 +1,47 @@
+setConfigDir()
+
+set the directories where config files are stored
+
+Description
+===========
+
+Smarty
+
+setConfigDir
+
+string\|array
+
+config\_dir
+
+
+    <?php
+
+    // set a single directory where the config files are stored
+    $smarty->setConfigDir('./config');
+
+    // view the config dir chain
+    var_dump($smarty->getConfigDir());
+
+    // set multiple directoríes where config files are stored
+    $smarty->setConfigDir(array(
+        'one' => './config',
+        'two' => './config_2',
+        'three' => './config_3',
+    ));
+
+    // view the config dir chain
+    var_dump($smarty->getConfigDir());
+
+    // chaining of method calls
+    $smarty->setTemplateDir('./templates')
+           ->setConfigDir('./config')
+           ->setCompileDir('./templates_c')
+           ->setCacheDir('./cache');
+
+    ?>
+
+       
+
+See also [`getConfigDir()`](#api.get.config.dir),
+[`addConfigDir()`](#api.add.config.dir) and
+[`$config_dir`](#variable.config.dir).