create single scss pack and script

remove unnecessary file from pack
fix problem dev change style
fix theme picker

lib/content-services/.npmignore

@@ -17,6 +17,10 @@ npm-debug.log
 !**/*.d.ts
 !**/adf-content-services.js
 
+**/*.scss
+**/*.css
+!**/_theming.scss
+
 coverage/
 demo/
 dist/

lib/content-services/tsconfig.json

@@ -16,7 +16,7 @@
     "noFallthroughCasesInSwitch": true,
     "removeComments": true,
     "declaration": true,
-    "outDir": "./dist",
+    "outDir": "./",
     "baseUrl" :  "./",
     "paths": {
       "@alfresco/adf-process-services": ["../process-services"],