Tidy up

- Add help docs for most sections
- Add translations documentation
- Fix up todos
- Remove german translation

frontend/src/locale/README.md

@@ -1,23 +1,48 @@
 # Internationalisation support
 
+## Before you start
+
+It's highly recommended that you spin up a development instance of this project
+on your docker capable server. It's pretty easy:
+
+```bash
+git clone https://github.com/NginxProxyManager/nginx-proxy-manager.git
+cd nginx-proxy-manager
+./scripts/start-dev -f
+```
+
+Then after a while, you can access http://yourserverip:3081
+
+This stack will watch the file system for changes, especially to language files,
+and reload the site you have open in the browser.
+
+
 ## Adding new translations
 
 Modify the files in the `src` folder. Follow the conventions already there.
 
+When the development stack is running, it will sort the locale lang files
+for you when you save.
+
 
 ## After making changes
 
-You will need to run `yarn locale-compile` in this frontend folder for
+If you're NOT running the development stack, you will need to run
+`yarn locale-compile` in the `frontend` folder for
 the new translations to be compiled into the `lang` folder.
 
-When running in dev mode, this should automatically happen within Vite.
+
+## Adding a whole new language
+
+There's a fair bit you'll need to touch. Here's a list that may
+not be complete by the time you're reading this:
+
+- frontend/src/locale/src/[yourlang].json
+- frontend/src/locale/src/lang-list.json
+- frontend/src/locale/src/HelpDoc/*
+- frontend/src/locale/IntlProvider.tsx
 
 
-## Checking for missing translations in other languages
+## Checking for missing translations in languages
 
 Run `node check-locales.cjs` in this frontend folder.
-
-
-## Adding new languages
-
-todo