Update theme to 111

Created by: flora8984461

Signed-off-by: Yi Liu yi.liu@eclipse-foundation.org

.travis.yml

language: node_js
-matrix:
-  include:
-    - node_js: 10
-      env: HUGO_ENV=dev
-    - node_js: 12
-      env: HUGO_ENV=production
+node_js:
+  - "12"
install:
-- npm install
+- npm ci
- wget https://github.com/gohugoio/hugo/releases/download/v0.76.5/hugo_0.76.5_Linux-64bit.deb
- sudo dpkg -i hugo*.deb
script:
- - if [ "$HUGO_ENV" = "dev" ]; then hugo --gc --minify --buildFuture; fi;
- - if [ "$HUGO_ENV" = "production" ]; then hugo --gc --minify ; fi;
\ No newline at end of file
+- hugo --gc --minify --buildFuture
\ No newline at end of file