Update docs and examples (#2806)

* Fix example 'Connecting via a redis url' and make it compile

* Fix name of example

---------

Co-authored-by: ofekshenawa <104765379+ofekshenawa@users.noreply.github.com>

Author: rouzier

README.md

@@ -149,15 +149,16 @@ import (
     "github.com/redis/go-redis/v9"
 )
 
-var ctx = context.Background()
-
-func ExampleClient() {
+func ExampleClient() *redis.Client {
     url := "redis://user:password@localhost:6379/0?protocol=3"
     opts, err := redis.ParseURL(url)
     if err != nil {
         panic(err)
     }
-    rdb := redis.NewClient(opts)
+
+    return redis.NewClient(opts)
+}
+
 ```
 
 ## Contributing

example/lua-scripting/go.mod

@@ -1,4 +1,4 @@
-module github.com/redis/go-redis/example/redis-bloom
+module github.com/redis/go-redis/example/lua-scripting
 
 go 1.18