added webpack-encore for managing frontend assets #113 (#122)

* updated installation docu #113
* rewritten login page #113
* added icheck plugin #113
* changed to YesNoType in edit forms #113
* updated CONTRIBUTING.md #113
* added start of developer docu #113
* added compile scripts and compiled assets #113

config/packages/avanzu_admin_theme.yml

@@ -3,7 +3,7 @@ avanzu_admin_theme:
     use_assetic: true
     bower_bin: "/usr/local/bin/bower"
     options:
-        default_avatar: images/default_avatar.png
+        default_avatar: build/images/default_avatar.png
         control_sidebar: true
     knp_menu:
         enable: false

config/packages/framework.yaml

@@ -29,3 +29,6 @@ framework:
     #validation:
         # possible values: 'loose', 'strict', 'html5'
         #email_validation_mode: 'html5'
+
+    assets:
+        json_manifest_path: '%kernel.project_dir%/public/build/manifest.json'