Merge pull request #2265 from Saibamen/patch-1

Add info about `npm install` to translators

src/languages/README.md

@@ -1,13 +1,14 @@
 # How to translate
 
 1. Fork this repo.
-2. Run `npm run update-language-files --language=<code>` where `<code>`
+2. Run `npm install`
+3. Run `npm run update-language-files --language=<code>` where `<code>`
    is a valid ISO language code:
    http://www.lingoes.net/en/translator/langcode.htm. You can also use
    this command to check if there are new strings to
    translate for your language.
-3. Your language file should be filled in. You can translate now.
-4. Add it into `languageList` constant.
-5. Make a [pull request](https://github.com/louislam/uptime-kuma/pulls) when you have done.
+4. Your language file should be filled in. You can translate now.
+5. Add it into `languageList` constant.
+6. Make a [pull request](https://github.com/louislam/uptime-kuma/pulls) when you have done.
 
 If you do not have programming skills, let me know in [the issues section](https://github.com/louislam/uptime-kuma/issues). I will assist you. 😏