add copyright notice to libcurl js bundle

client/javascript/copyright.js

@@ -0,0 +1,15 @@
+const copyright_notice = `ading2210/libcurl.js - A port of libcurl to WASM for use in the browser.
+Copyright (C) 2023 ading2210
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.`;

client/javascript/main.js

@@ -310,12 +310,14 @@ return {
   wisp: _wisp_connections,
   WebSocket: CurlWebSocket,
   
+  get copyright() {return copyright_notice},
   get version() {return get_version()},
+  get ready() {return wasm_ready},
+
   get stdout() {return out},
   set stdout(callback) {out = callback},
   get stderr() {return err},
-  set stderr(callback) {err = callback},
-  get ready() {return wasm_ready}
+  set stderr(callback) {err = callback}
 }
 
 })()