add support php 8 & update readme

Author: rez1dent3

README.md

@@ -5,8 +5,14 @@
 
 Eloquent model for ClickHouse
 
+> :warning:If you are using php 8 and `the-tinderbox/clickhouse-*` author hasn't added support yet, then connect mine.
+> 
+> composer req bavix/clickhouse-php-client
+> 
+> composer req bavix/clickhouse-builder
+
 ## Prerequisites
-- php 7.1
+- php 7.2
 - clickhouse server
 
 ## Installation

composer.json

@@ -9,7 +9,7 @@
     "eloquent"
   ],
   "require": {
-    "php": ">=7.2",
+    "php": "^7.2|^8.0",
     "laravel/framework": "^6.0|^7.0|^8.0",
     "the-tinderbox/clickhouse-builder": "^4.0",
     "ext-json": "*"