Feat: UI Elements (#1)

* adds a bunch of ui components with mock data

* build docker image with yarn.lock & yarn instead of npm

* easier to add topics, build options smarter from ENV vars

* fallback to index.html on all requests for SPA

* updates w/ black/white support, better mobile styling

* adds test components to home & dashboard pages

* adds chart.js dependency

* mqtt payload examples

* lint

* drone ci config

* eslint fixes

Dockerfile

@@ -4,12 +4,14 @@ WORKDIR /app
 
 COPY package*.json .
 COPY *config* .
-COPY .env .
+COPY yarn.lock .
 COPY src/ src
 COPY static/ static
 
-RUN npm install
-RUN npm run build
+ARG PUBLIC_MQTT_BROKER_WS_URL
+
+RUN yarn install
+RUN yarn run build
 
 FROM nginx:alpine