Merged PR 16: Transform every single class components into functional component

This improve greatly the performance and the code cleaning.
It allows us to separate the inseparable class methods into modules functions

.drone.yml

@@ -10,6 +10,7 @@ steps:
   - node ./test-server/node-http.js &
   - pnpm install
   - pnpm run test:nowatch
+  - pnpm run build
 
 ---
 kind: pipeline
@@ -22,4 +23,5 @@ steps:
   - curl -f https://get.pnpm.io/v6.16.js | node - add --global pnpm@7
   - node ./test-server/node-http.js &
   - pnpm install
-  - pnpm run test:nowatch
+  - pnpm run test:nowatch
+  - pnpm run build