Updated readme and pod version

Author: Kenneth Tsang

GrowingTextView.podspec

@@ -8,8 +8,8 @@
 
 Pod::Spec.new do |s|
   s.name             = "GrowingTextView"
-  s.version          = "0.6.1"
-  s.summary          = "UITextView on Swift 3 and Swift 4. Support auto growing, placeholder and length limit."
+  s.version          = "0.7.0"
+  s.summary          = "UITextView on Swift 3/4/5. Support auto growing, placeholder and length limit."
 
 # This description is used to generate tags and improve search results.
 #   * Think: What does it do? Why did you write it? What is the focus?

README.md

@@ -6,6 +6,7 @@
 [![Language](https://img.shields.io/badge/Swift-3.0-orange.svg?style=flat)](http://cocoapods.org/pods/GrowingTextView)
 [![Language](https://img.shields.io/badge/Swift-4.0-orange.svg?style=flat)](http://cocoapods.org/pods/GrowingTextView)
 [![Language](https://img.shields.io/badge/Swift-4.2-orange.svg?style=flat)](http://cocoapods.org/pods/GrowingTextView)
+[![Language](https://img.shields.io/badge/Swift-5.0-orange.svg?style=flat)](http://cocoapods.org/pods/GrowingTextView)
 
 <img src="DEMO.gif" border=1 style="border-color:#eeeeee">
 
@@ -20,6 +21,12 @@ iOS 8.0 or above
 GrowingTextView is available through [CocoaPods](http://cocoapods.org). To install
 it, simply add the following line to your Podfile:
 
+Swift 5.0<br>
+
+```ruby
+pod 'GrowingTextView', '0.7.0'
+```
+
 Swift 4.2<br>
 
 ```ruby
@@ -48,6 +55,12 @@ GrowingTextView is also available through
 [Carthage](https://github.com/Carthage/Carthage). To install it, add the following
 line to your Cartfile:
 
+Swift 5.0<br>
+
+```ruby
+github "KennethTsang/GrowingTextView" ~> 0.7
+```
+
 Swift 4.2<br>
 
 ```ruby