chore: update READMEs (#8734)

@vates/generator-toolbox/.USAGE.md

@@ -30,7 +30,7 @@ const wrappedGenerator = new Throttle(sourceGenerator, speed)
 
 ### Synchronized
 
-Fork a generator. The rules ares:
+Fork a generator. The rules are:
 
 - if the source returns, all the forks return
 - if the forks error, all the forks error with the same error

@vates/generator-toolbox/README.md

@@ -46,10 +46,10 @@ const wrappedGenerator = new Throttle(sourceGenerator, speed)
 
 ### Synchronized
 
-Fork a generator. The rules ares:
+Fork a generator. The rules are:
 
 - if the source returns, all the forks return
-- if the forks error, all the forks errors with the same error
+- if the forks error, all the forks error with the same error
 - if a fork returns, it is stopped, but the generator continue with the other
 - if a fork errors, it is stopped, but the generator continue with the other
 - if all the forks return, the source is stopped

@xen-orchestra/self-signed/package.json

@@ -1,7 +1,7 @@
 {
   "private": false,
   "name": "@xen-orchestra/self-signed",
-  "description": "Minimalist wrapper around openssl to generate a self signed certificate",
+  "description": "Minimalist wrapper around openssl to generate a self-signed certificate",
   "homepage": "https://github.com/vatesfr/xen-orchestra/tree/master/@xen-orchestra/self-signed",
   "bugs": "https://github.com/vatesfr/xen-orchestra/issues",
   "repository": {

packages/xo-server-audit/README.md

@@ -7,7 +7,7 @@
 ## Usage
 
 Like all other xo-server plugins, it can be configured directly via
-the web interface, see [the plugin documentation](https://docs.xen-orchestra.com/architecture#plugins).
+the web interface, see [the plugin documentation](https://xen-orchestra.com/docs/plugins.html).
 
 ## Contributions
 

packages/xo-server-sdn-controller/README.md

@@ -8,7 +8,7 @@
 
 XO Server plugin that allows the creation of pool-wide and cross-pool private networks, a bit similar to [XenServer's DVCS](https://www.knowcitrix.com/posts/distributed-virtual-switch-controller-dvsc/).
 
-Please see the plugin's [official documentation](https://docs.xen-orchestra.com/sdn_controller).
+Please see the plugin's [official documentation](https://xen-orchestra.com/docs/sdn_controller.html).
 
 # Features