dev: options to disable undesirable checks in dev

Allows disabling abuse checks undefined origin checks with config
parameters to make development more convenient. The approach before this
change has been to manually comment out these lines of code.

src/backend/src/middleware/abuse.js

@@ -19,7 +19,13 @@
 const APIError = require("../api/APIError");
 const { Context } = require("../util/context");
 
+const config = puter.core.config;
+
 const abuse = options => (req, res, next) => {
+    if ( config.disable_abuse_checks ) {
+        next(); return;
+    }
+
     const requester = Context.get('requester');
 
     if ( options.no_bots ) {

src/backend/src/modules/web/WebServerService.js

@@ -524,7 +524,7 @@ class WebServerService extends BaseService {
             }
 
             // rules that don't apply to notification endpoints
-            const undefined_origin_allowed = this.undefined_origin_allowed.some(rule => {
+            const undefined_origin_allowed = config.undefined_origin_allowed || this.undefined_origin_allowed.some(rule => {
                 if ( typeof rule === 'string' ) return rule === req.path;
                 return rule.test(req.path);
             });