add ability to include custom stylesheet (#85)

* add da-dk language

* add ability to include custom stylesheet

README.md

@@ -111,10 +111,15 @@ MARKDOWN=false
 # HTML is not escaped. Don't put untrusted data here.
 # CUSTOM_HTML_LOGIN=<p style="margin-top: 1em;">Some custom text for the Login page</p>
 # CUSTOM_HTML_WISHLISTS=
+
+# Custom CSS stylesheet
+# If you wish to include a custom stylesheet you can add the filename in the variable here.
+# Remember to add the stylesheet to the filesystem at `static/css/custom.css`. In docker, mount `/usr/src/app/src/static/css/custom.css`.
+# CUSTOM_CSS=custom.css
 ```
 
 ## Default Profile Pictures
-To replace the default snowman profile pictures, replace the files in `static/img/default-pfps`. In docker, mount `/usr/src/app/static/img/default-pfps`.
+To replace the default snowman profile pictures, replace the files in `static/img/default-pfps`. In docker, mount `/usr/src/app/src/static/img/default-pfps`.
 
 ## Startup
 ```sh

src/config/index.js

@@ -20,7 +20,8 @@ module.exports = {
   customHtml: {
     wishlists: process.env.CUSTOM_HTML_WISHLISTS,
     login: process.env.CUSTOM_HTML_LOGIN
-  }
+  },
+  customCSS: process.env.CUSTOM_CSS || null
 }
 
 if (module.exports.guestPassword) module.exports.wishlist.public = false

src/views/layout.pug

@@ -15,6 +15,8 @@ html(lang='en')
     link(rel='stylesheet', href=`${_CC.config.base}libraries/fontawesome/css/all.css`)
     link(rel='stylesheet', href=`${_CC.config.base}libraries/animate.min.css`)
     link(rel='stylesheet', href=`${_CC.config.base}css/main.css`)
+    if _CC.config.customCSS
+      link(rel='stylesheet', href=`${_CC.config.base}css/${_CC.config.customCSS}`)
   body
     .print
       .content