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

.eleventy.js

@@ -12,7 +12,8 @@ module.exports = function (eleventyConfig) {
 		pageBase: './',
 		brand: 'hippie',
 		titlePrefix: '',
-		titlePostfix: ' - HIPPIE'
+		titlePostfix: ' - HIPPIE',
+		debugMode: true
 	});
 
 	eleventyConfig.addPassthroughCopy({"source/art/images": "art"});