add version into realease and --help

Author: tweigel-dev

README.md

@@ -11,6 +11,26 @@ pg-terminal is a command-line tool for connecting to and interacting with Postgr
 
 ## Installation
 
+### Version 1
+1. download the current realse from gitHub
+~~~ bash
+wget https://github.com/tweigel-dev/pg-terminal/releases/download/v0.0.3/pg-terminal
+~~~
+2. make the pg-terminal file executable with:
+~~~bash
+chmod +x pg-terminal
+~~~
+3. move to folder
+~~~bash
+sudo mv pg-terminal /usr/local/bin/pg-terminal
+~~~
+4. enjoy
+~~~bash
+pg-terminal --help
+~~~
+5. contribute to pg-terminal
+### Version 2 (build from scratch)
+
 To install pg-terminal, you will need to have Go installed on your system.
 
 1. Download the source code for pg-terminal.

pg-terminal.go

@@ -12,6 +12,7 @@ import (
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
+	Version: "v0.0.4",
 	Use:   "pg-terminal",
 	Short: "A tool for sending SQL statements to a PostgreSQL instance",
 	Long: `pg-terminal is a command-line tool for sending SQL statements to a