add file picker, add library file picker patch, bump lib, logger tweaks

frontend/rollup.config.js

@@ -2,6 +2,7 @@ import commonjs from '@rollup/plugin-commonjs';
 import json from '@rollup/plugin-json';
 import { nodeResolve } from '@rollup/plugin-node-resolve';
 import externalGlobals from "rollup-plugin-external-globals";
+import del from 'rollup-plugin-delete'
 import replace from '@rollup/plugin-replace';
 import typescript from '@rollup/plugin-typescript';
 import { defineConfig } from 'rollup';
@@ -9,6 +10,7 @@ import { defineConfig } from 'rollup';
 export default defineConfig({
   input: 'src/index.tsx',
   plugins: [
+    del({ targets: "../backend/static/*", force: true }),
     commonjs(),
     nodeResolve(),
     externalGlobals({