Add Vapor resources (#2986)

* Add Swift Vapor resources

* Reorder Vapor resources alphabetically

* Add author to Vapor 3 tutorial

* Move vapor university to free-courses-en.md

free-courses-en.md

@@ -44,6 +44,7 @@
 * [Software Engineering](#software-engineering)
 * [SQL](#sql)
 * [Swift](#swift)
+  * [Vapor](#vapor)
 * [Theory](#theory)
 * [Verilog / VHDL / SystemVerilog](#verilog--vhdl--systemverilog)
 * [Web Development](#web-development)
@@ -384,6 +385,11 @@
 * [Swiftris - Build an iOS Tetris app from scratch](https://www.bloc.io/swiftris-build-your-first-ios-game-with-swift)
 
 
+#### Vapor
+
+* [Vapor University](https://vapor.university)
+
+
 ### Theory
 
 * [Automata Theory](https://lagunita.stanford.edu/courses/course-v1:ComputerScience+Automata+Fall2016/about)

free-programming-books.md

@@ -194,6 +194,7 @@
 * [Standard ML](#standard-ml)
 * [Subversion](#subversion)
 * [Swift](#swift)
+  * [Vapor](#vapor)
 * [Tcl](#tcl)
 * [Teradata](#teradata)
 * [Tizen](#tizen)
@@ -2453,6 +2454,12 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Using Swift with Cocoa and Objective-C](https://developer.apple.com/library/content//documentation/Swift/Conceptual/BuildingCocoaApps/index.html) (HTML) [(iBook)](https://itunes.apple.com/us/book/using-swift-cocoa-objective/id888894773?mt=11)
 
 
+#### Vapor
+
+* [Vapor 3 Tutorial For Beginners](https://theswiftdev.com/2018/04/09/vapor-3-tutorial-for-beginners) - Tibor Bödecs
+* [Vapor Official Docs](https://docs.vapor.codes)
+
+
 ### Tcl
 
 * [Tcl Programming](https://en.wikibooks.org/wiki/Programming%3ATcl) - Richard.Suchenwirth, et. al.