Optimize builds

.browserslistrc

@@ -1,2 +1 @@
-> 1%
-last 2 versions
+chrome 75

README.md

@@ -30,7 +30,7 @@ NW.js + Vue-CLI 3 example
 
 # **IMPORTANT NOTE ABOUT BUILDS!!!**
 
-They take a long time. If you do `npm run build` expect it to take 10-15 minutes. This can be adjusted by changing the build params in the `package.json`. The more platforms and build types, the longer it takes.
+They take a long time. If you do `npm run build` expect it to take 10-30 minutes (depending on amount of dependencies in the dist and your CPU/internet). This can be adjusted by changing the build params in the `package.json`. The more platforms and build types, the longer it takes.
 
 
 ## Automated quality enforcment

package-lock.json

@@ -13622,7 +13622,8 @@
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/rx-lite/-/rx-lite-4.0.8.tgz",
       "integrity": "sha1-Cx4Rr4vESDbwSmQH6S2kJGe3lEQ=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "rx-lite-aggregates": {
       "version": "4.0.8",

package.json

@@ -18,8 +18,7 @@
     "build": "npm run build:clean && npm run build:vue && npm run build:nw",
     "build:clean": "rimraf ./dist-vue ./dist",
     "build:vue": "vue-cli-service build --modern --dest ./dist-vue",
-    "build:nw": "build --concurrent --tasks win-x86 --mirror https://dl.nwjs.io/ .",
-    "build:nw2": "build --concurrent --tasks win-x86,linux-x86,linux-x64,mac-x64 --mirror https://dl.nwjs.io/ .",
+    "build:nw": "build --concurrent --tasks win-x86,linux-x86,linux-x64,mac-x64 --mirror https://dl.nwjs.io/ .",
     "run:win": "dist\\nw-vue-1.0.0-win-x86\\nw-vue.exe",
     "lint": "vue-cli-service lint --no-fix",
     "fix": "vue-cli-service lint --fix",
@@ -67,7 +66,10 @@
       "e2e/**/*",
       "src/**/*",
       "tests/**/*",
-      "public/**/*"
+      "public/**/*",
+      "dist-vue/**/*.js.map",
+      "dist-vue/**/*.css.map",
+      "dist-vue/**/*-legacy*",
       ".browserslistrc",
       ".eslintrc",
       ".gitignore",