feat: change log output and template structure

- new global variable debugMode
- demo templates are now based on hippie defaults joined with template inheritance
- add log macros
- new function logAdd()
- log uses global state

source/templates/hippie/macros/_log.njk

@@ -0,0 +1,24 @@
+{% macro start() %}
+  <script>
+    logAdd('EVENT       :: Document \'%s\' event fired.', 'DOMContentLoaded');
+    logPerf('HEAD start  :: Debugging performance...', debugOn);
+  </script>
+{% endmacro %}
+{% macro log(msg, arg = '') %}
+  <script>
+    logPerf('{{ msg }}', {{ arg }});
+  </script>
+{% endmacro %}
+{% macro debug(state = false, display = false, assets = false) %}
+  {# {{ set hippie.debugMode = state }} #}
+  <script>
+    debugOn = {{ state }};
+    debugOnScreen = {{ display }};
+    assetsLoaded = {{ assets }};
+  </script>
+{% endmacro %}
+{% macro asset(state = false) %}
+  <script>
+    assetsLoaded = {{ state }};
+  </script>
+{% endmacro %}