fix(config): add workaround for the "categories" taxonomy error when using papaya theme

What:

Copies the taxnomies config to all languages:

Why:

Fixes this error:

```
[I] norman@cyan ~/code/blog (main)
❯ zola build
Building site...
Error: Failed to build the site
Error: Page `/Users/norman/code/blog/content/projects/project-1/index.md` has taxonomy `categories` which is not defined in config.toml
```

Discussion: https://zola.discourse.group/t/zola-0-15-3-issue-not-all-pages-sections-have-their-language-and-translations-set-properly/1385
Open issue: getzola/zola#1918

Author: normful

config.toml

@@ -21,6 +21,10 @@ title = "Norman's Blog"
 description = "Notes and thoughts on software, Japan, and etc."
 generate_feed = true
 feed_filename = "atom.xml"
+taxonomies = [
+    { name = "tags", rss = true },
+    { name = "categories", rss = true },
+]
 
 [languages.en.translations]
 projects = "Projects"