Add podspec (#5)

Author: raymondjavaxx

SmoothGradient.podspec

@@ -0,0 +1,18 @@
+Pod::Spec.new do |spec|
+  spec.name         = "SmoothGradient"
+  spec.version      = "1.0.0"
+  spec.summary      = "A SwiftUI package for creating smooth gradients using easing functions."
+
+  spec.homepage     = "https://github.com/raymondjavaxx/SmoothGradient"
+  spec.license      = { :type => "MIT", :file => "LICENSE" }
+  spec.author       = { "Ramon Torres" => "[email protected]" }
+
+  spec.swift_version = "5.6"
+  spec.ios.deployment_target = "14.0"
+  spec.tvos.deployment_target = "14.0"
+  spec.osx.deployment_target = "11.0"
+  spec.watchos.deployment_target = "7.0"
+
+  spec.source       = { :git => "https://github.com/raymondjavaxx/SmoothGradient.git", :tag => "#{spec.version}" }
+  spec.source_files = "Sources/SmoothGradient/**/*.swift"
+end