add rollup README with useful commands, add alternative rollup config to build one bundle per app without shared chunks, add package-lock.json to repo

rollup.README.md

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+***NVM installieren***
+
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+
+oder
+
+wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+
+***Node.js installieren***
+
+nvm install --lts
+
+***package.json***
+
+npm install
+
+***Rollup build***
+
+einmalig:
+
+npm run build
+
+als watch bei Änderungen:
+
+npm run watch

rollup.alt.config.js

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+import babel from '@rollup/plugin-babel';
+import nodeResolve from '@rollup/plugin-node-resolve';
+import commonjs from '@rollup/plugin-commonjs';
+import vue from "rollup-plugin-vue";
+import { globSync } from 'glob';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import postcss from 'rollup-plugin-postcss';
+import replace from '@rollup/plugin-replace';
+import alias from '@rollup/plugin-alias';
+import { existsSync } from 'node:fs';
+import terser from '@rollup/plugin-terser';
+import json from '@rollup/plugin-json';
+
+function FhcResolver () {
+  return {
+    name: 'fhc-resolver', // this name will show up in logs and errors
+    resolveId ( source, importer, options ) {
+      if( source.includes('.php') ) {
+	return false;
+      }
+      //console.log('source: ' + source + ' options.isEntry: ' + options.isEntry + ' importer: ' + importer);
+      if(importer !== undefined && !options.isEntry && !path.isAbsolute(source)) {
+        let tmp = path.dirname(importer);
+	if( importer.includes('/application/') ) {
+	  tmp = tmp.replace(/public\/js\//, 'js/').replace(/\/application\//, '/public/');
+	}
+      	const resolved = path.resolve(tmp, source);
+	//console.log(resolved);
+	if( existsSync(resolved) ) {
+	  return resolved
+	}
+      }
+      return null; // other ids should be handled as usually
+    }
+  };
+}
+
+const useplugins = [
+    	alias({
+		entries: {
+			vue: 'vue/dist/vue.esm-bundler.js'
+		}
+	}),
+	nodeResolve({
+		preferBuiltins: true,
+		moduleDirectories: ['node_modules'],
+		modulePaths: globSync('application/extensions/*/node_modules', {follow: true, realpath: true}).map(file => 
+			fileURLToPath(new URL(file, import.meta.url))
+		),
+	}),
+	FhcResolver(),
+	replace({
+		preventAssignment: true,
+		'process.env.NODE_ENV': JSON.stringify( 'production' ),
+	}),
+	commonjs(),
+	vue(),
+	json(),
+	babel({
+		babelHelpers: 'bundled',
+		plugins: ['transform-class-properties']
+	}),
+	postcss({
+		extract: false,
+		modules: true,
+		use: ['sass'],
+	}),
+	terser()
+];
+
+export default globSync('public/**/js/apps/**/*.js', {follow: true, realpath: true}).map(file => { 
+			if( path.dirname(file).includes('/dist/') || path.dirname(file).includes('/apps/vbform') ) {
+				return null;
+			}
+			let tmp = fileURLToPath(new URL(file, import.meta.url));
+			return {
+				input: tmp,
+				plugins: useplugins,
+				watch: {
+					buildDelay: 500
+				},
+				output: {
+					preserveModules: false,
+					sourcemap: true,
+					format: 'es',
+					file: tmp.replace(/public\//, 'public/dist/'),
+				}
+
+			}
+		}).filter(Boolean);