Fails silently if file not found

[moppymopperson]

The line shown here fails silently if the env file is not found. It would be good to do something to alert the user when there is a problem. You could throw an errror or print a message.

SwiftDotEnv/Sources/DotEnv/DotEnv.swift

Line 22 in 2a75272

if let path = path, let contents = try? NSString(contentsOfFile: path, encoding: String.Encoding.utf8.rawValue) {

[akrabat]

Good catch!