Update README.md with installation instructions

Author: jskswamy

README.md

@@ -13,20 +13,18 @@ brew install oath-toolkit fzf
 
 ## Install
 
-```
-git clone https://github.com/arunvelsriram/lazy-connect.git ~/.lazy-connect
-```
+### Using Homebrew
 
 ```
-# zsh users
-echo "[ -f ~/.lazy-connect/lazy-connect.sh ] && source ~/.lazy-connect/lazy-connect.sh" >> ~/.zshrc
-source ~/.zshrc
+brew tap arunvelsriram/stable
+brew install lazy-connect
 ```
 
+### Manual
+
 ```
-# bash users
-echo "[ -f ~/.lazy-connect/lazy-connect.sh ] && source ~/.lazy-connect/lazy-connect.sh" >> ~/.bashrc
-source ~/.bashrc
+git clone https://github.com/arunvelsriram/lazy-connect.git ~/.lazy-connect
+sudo ln -s ~/.lazy-connect/lazy-connect /usr/local/bin/lazy-connect
 ```
 
 ### Usage
@@ -56,8 +54,8 @@ export LAZY_CONNECT_TOTP_QUERY=<name of the issuer>
 
 ### Note
 
-* The secret key to generate TOTP is stored in Keychain on Mac under default `login` keychain. You may need to
+- The secret key to generate TOTP is stored in Keychain on Mac under default `login` keychain. You may need to
   enter your login password to allow access to Keychain.
-* You need to add your Termainal emulator app that invokes the function to `Security & Privacy -> Accessibility`. It is
+- You need to add your Termainal emulator app that invokes the function to `Security & Privacy -> Accessibility`. It is
   necesssary because the script interacts with the UI. There are other ways via CLI to avoid UI interaction but
   they are all broken in OS X 10.12+.