Inline frontend instead of submodule

frontend/.gitignore

@@ -0,0 +1,86 @@
+.idea
+cmake-build-debug/
+cmake-build-release/
+*.iws
+out/
+.idea_modules/
+atlassian-ide-plugin.xml
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+*.bak
+/.tgitconfig
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pids
+*.pid
+*.seed
+*.pid.lock
+lib-cov
+coverage
+.nyc_output
+.grunt
+bower_components
+.lock-wscript
+build/Release
+node_modules/
+jspm_packages/
+typings/
+.npm
+.eslintcache
+.node_repl_history
+*.tgz
+.yarn-integrity
+.env
+.next
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+*.stackdump
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+*.lnk
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
+Session.vim
+.netrwhist
+*~
+tags
+[._]*.un~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+.org-id-locations
+*_archive
+*_flymake.*
+/eshell/history
+/eshell/lastdir
+/elpa/
+*.rel
+/auto/
+.cask/
+dist/
+flycheck_*.el
+/server/
+.projectile
+.dir-locals.el
+.fuse_hidden*
+.directory
+.Trash-*
+.nfs*
+$*$