Adds testable examples to be automatically pulled in redis.io docs (#2601)

* Adding examples

* Update readme

* Update Readme

* Remove unneeded lines. Added an examples.json file

* Update readme for examples

* More fixes

* Add example tags

* Update examples.json

* Rename

* Add another hide block

* Temporary test

* Add example id for lpush and lrange

* Update readme

* Update output text

* Improve examples

* Move examples test dir to doctests

* Add redis v7's ExpireAtNX, ExpireAtXX, ExpireAtGT, ExpireAtLT, PExpireNX, PExpireXX, PExpireGT, PExpireLT, PExpireAtNX, PExpireAtXX, PExpireAtGT, PExpireAtLT

feat: Add redis v7's NX, XX, GT, LT expireat, pexpire, pexpireat variants

* add tests for new commands

add tests to coverage for the new commands

* Adds github workflow to add docexamples tests. Flushes db before every test.

* Fixes broken workflow file

* Adds Igor’s suggestion of keeping the instructions for docexamples in one place

* Removes unneeded “Missing” section, because it was solved as a workflow

* Revert "add tests for new commands"

This reverts commit af12cb6bd6.

* Fixes review comments

* Specifies versions as strings instead of floats

---------

Co-authored-by: carner <icarners@gmail.com>

doctests/lpush_lrange_test.go

@@ -0,0 +1,47 @@
+// EXAMPLE: lpush_and_lrange
+// HIDE_START
+package example_commands_test
+
+import (
+	"context"
+	"fmt"
+	"github.com/redis/go-redis/v9"
+)
+
+func ExampleLPushLRange() {
+	ctx := context.Background()
+
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password docs
+		DB:       0,  // use default DB
+	})
+
+	// HIDE_END
+
+	// REMOVE_START
+	errFlush := rdb.FlushDB(ctx).Err() // Clear the database before each test
+	if errFlush != nil {
+		panic(errFlush)
+	}
+	// REMOVE_END
+
+	listSize, err := rdb.LPush(ctx, "my_bikes", "bike:1", "bike:2").Result()
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(listSize)
+
+	value, err := rdb.LRange(ctx, "my_bikes", 0, -1).Result()
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(value)
+	// HIDE_START
+
+	// Output: 2
+	// [bike:2 bike:1]
+}
+
+// HIDE_END