chore(readme): remove pre release from installation script

Author: x0sina

README-fa.md

@@ -136,27 +136,27 @@
 
 **TimescaleDB (توصیه شده):**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database timescaledb --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database timescaledb
 ```
 
 **SQLite:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install
 ```
 
 **MySQL:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mysql --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mysql
 ```
 
 **MariaDB:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mariadb --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mariadb
 ```
 
 **PostgreSQL:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database postgresql --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database postgresql
 ```
 
 ### 📋 پس از نصب:

README-ru.md

@@ -136,22 +136,22 @@ PasarGuard — это удобный, многофункциональный и
 
 **TimescaleDB (Рекомендуется):**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database timescaledb --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database timescaledb
 ```
 
 **SQLite:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install
 ```
 
 **MySQL:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mysql --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mysql
 ```
 
 **MariaDB:**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mariadb --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mariadb
 ```
 
 **PostgreSQL:**

README-zh-cn.md

@@ -136,27 +136,27 @@ PasarGuard 是一个用户友好、功能丰富且可靠的代理管理工具。
 
 **TimescaleDB（推荐）：**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database timescaledb --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database timescaledb
 ```
 
 **SQLite：**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install
 ```
 
 **MySQL：**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mysql --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mysql
 ```
 
 **MariaDB：**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mariadb --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database mariadb
 ```
 
 **PostgreSQL：**
 ```bash
-curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database postgresql --pre-release
+curl -sL https://github.com/PasarGuard/scripts/raw/main/pasarguard.sh | sudo bash -s -- @ install --database postgresql
 ```
 
 ### 📋 安装后：