Added docs as asciidoctor with cross platform support. (#5733)

* Added docs as asciidoctor with cross platform support.

* Fixed release script with new doc building mechanism.

make_docs.js

@@ -0,0 +1,58 @@
+const { exec } = require('child_process');
+const fs = require('fs')
+const path = require('path')
+
+
+const pjson = require('./src/package.json')
+const VERSION=pjson.version
+console.log(`Building docs for version ${VERSION}`)
+
+const createDirIfNotExists = (dir) => {
+    if (!fs.existsSync(dir)){
+        fs.mkdirSync(dir)
+    }
+}
+
+
+function copyFolderSync(from, to) {
+   if(fs.existsSync(to)){
+       const stat = fs.lstatSync(to)
+       if (stat.isDirectory()){
+           fs.rmSync(to, { recursive: true })
+       }
+       else{
+           fs.rmSync(to)
+       }
+   }
+    fs.mkdirSync(to);
+    fs.readdirSync(from).forEach(element => {
+        if (fs.lstatSync(path.join(from, element)).isFile()) {
+            fs.copyFileSync(path.join(from, element), path.join(to, element))
+        } else {
+            copyFolderSync(path.join(from, element), path.join(to, element))
+        }
+    });
+}
+
+exec('asciidoctor -v', (err,stdout)=>{
+    if (err){
+        console.log('Please install asciidoctor')
+        console.log('https://asciidoctor.org/docs/install-toolchain/')
+        process.exit(1)
+    }
+});
+
+
+createDirIfNotExists('./out')
+createDirIfNotExists('./out/doc')
+createDirIfNotExists('./out/doc/api')
+
+
+
+exec(`asciidoctor -D out/doc doc/index.adoc */**.adoc -a VERSION=${VERSION}`)
+exec(`asciidoctor -D out/doc/api  ./doc/api/*.adoc -a VERSION=${VERSION}`)
+
+copyFolderSync('./doc/easysync', './out/doc/easysync')
+copyFolderSync('./doc/assets', './out/doc/assets')
+copyFolderSync('./doc/easysync', './out/doc/easysync')
+copyFolderSync('./doc/images', './out/doc/images')