feat(other): command dev-prod (#260)

* compress images using `vuepress-plugin-imagemin

compress all images using imagemin plugin

* updated vuepress-plugin-imagemin to 0.1.2

* command: dev-prod

adds a new command `npm run dev-prod` which build the project and then
spins up a http server. This was implemented to be able to test certain
scenarious like image compression.

docs/.vuepress/config.js

@@ -1,4 +1,5 @@
 import { viteBundler } from '@vuepress/bundler-vite'
+import Imagemin from 'vuepress-plugin-imagemin'
 import { defineUserConfig } from 'vuepress'
 import meta from './config/meta'
 import theme from './config/theme'
@@ -8,4 +9,34 @@ export default defineUserConfig({
   ...meta,
   theme,
   bundler: viteBundler({}),
+  plugins: [
+    Imagemin({
+      gifsicle: {
+        optimizationLevel: 7,
+        interlaced: false,
+      },
+      optipng: {
+        optimizationLevel: 7,
+      },
+      mozjpeg: {
+        quality: 20,
+      },
+      pngquant: {
+        quality: [0.8, 0.9],
+        speed: 4,
+      },
+      svgo: {
+        plugins: [
+          {
+            name: 'removeViewBox',
+          },
+          {
+            name: 'removeEmptyAttrs',
+            active: false,
+          },
+        ],
+      },
+    }),
+  ],
+
 })

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "build": "vuepress build docs",
     "dev": "vuepress dev docs",
+    "dev-prod": "npm run build && http-server ./docs/.vuepress/dist",
     "test": "textlint \"*.md\" \"docs/**/*.md\""
   },
   "repository": {
@@ -22,6 +23,7 @@
     "@textlint-rule/textlint-rule-no-unmatched-pair": "^2.0.4",
     "@vuepress/bundler-vite": "^2.0.0-rc.20",
     "@vuepress/plugin-slimsearch": "^2.0.0-rc.82",
+    "http-server": "^14.1.1",
     "textlint": "^14.4.2",
     "textlint-filter-rule-comments": "^1.2.2",
     "textlint-rule-apostrophe": "^3.0.0",
@@ -37,6 +39,7 @@
     "textlint-rule-period-in-list-item": "^1.0.1",
     "textlint-rule-write-good": "^2.0.0",
     "vuepress": "^2.0.0-rc.20",
+    "vuepress-plugin-imagemin": "^0.1.2",
     "vuepress-theme-hope": "^2.0.0-rc.74"
   }
 }