feat(i18n): add Norwegian (nb_NO) translation and clean up

- Add complete Norwegian (nb_NO) language file
- Update .gitignore to exclude temporary and backup files
- Remove temporary and backup files from language directory
- Clean up scripts directory and add to .gitignore
- Update language file format to use key-value pairs

site.conf.example

@@ -0,0 +1,26 @@
+; Place this file in your project directory
+
+[site]
+; This is the name of your site
+name = "The Site Name"
+; This is the tagline
+tagline = "The Site Tagline"
+; This is the URL of your site
+url = "https://www.example.com"
+; This is where your HTML files go
+root = /path/to/www/dir
+; The theme of your site
+theme = theme_name
+; sitemap or not: true or false
+sitemap = true
+; Do you want the blog to appear on the front page
+; true = yes and false = no
+blog = true
+
+[project]
+; This is where you work before you generate the output
+root = /path/to/working/project
+; Languages: en_US, en_UK, es_ES, nb_NO, fr_FR
+lang = en_US
+; Use QStags (native) or Markdown (markdown)
+generator = native