Add more docs

frontend/ghost/ghost.go

@@ -4,7 +4,10 @@ package ghost
 
 // Client is the ghost backend client
 type Client interface {
+	// GetPosts returns blog posts according to query params
 	GetPosts(queryParams ...Modifier) (posts *Posts, err error)
+	// GetPostBySlug returns a single post by its slug title and query params
 	GetPostBySlug(slug string, queryParams ...Modifier) (posts *Posts, err error)
+	// GetPageBySlug returns a single page by its slug title and query params
 	GetPageBySlug(slug string, queryParams ...Modifier) (pages *Pages, err error)
 }

frontend/templates/funcs.go

@@ -2,6 +2,7 @@ package templates
 
 import "html/template"
 
+// UseFuncs returns a func map with template helpers functions
 func UseFuncs() template.FuncMap {
 	return template.FuncMap{
 		"add": func(i int) int {