add links to files from intro readme. #3

01-basic/A-hello-cmake/README.adoc

@@ -17,8 +17,8 @@ A-hello-cmake$ tree
 ├── main.cpp
 ```
 
-  * CMakeLists.txt - Contains the CMake commands you wish to run
-  * main.cpp - A simple "Hello World" cpp file.
+  * link:CMakeLists.txt[CMakeLists.txt] - Contains the CMake commands you wish to run
+  * link:main.cpp[main.cpp] - A simple "Hello World" cpp file.
 
 # Concepts
 
@@ -233,7 +233,7 @@ All examples in this tutorial will use out-of-source builds.
 
 # Building the Examples
 
-Below is sample output from building this example. 
+Below is sample output from building this example.
 
 [source,bash]
 ----

01-basic/B-hello-headers/README.adoc

@@ -23,10 +23,10 @@ B-hello-headers$ tree
     └── main.cpp
 ```
 
-  * CMakeLists.txt - Contains the CMake commands you wish to run.
-  * inc/Hello.h - The header file to include.
-  * src/Hello.cpp - A source file to compile.
-  * src/main.cpp - The source file with main.
+  * link:CMakeLists.txt[CMakeLists.txt] - Contains the CMake commands you wish to run.
+  * link:inc/Hello.h[inc/Hello.h] - The header file to include.
+  * link:src/Hello.cpp[src/Hello.cpp] - A source file to compile.
+  * link:src/main.cpp[src/main.cpp] - The source file with main.
 
 
 # Concepts

01-basic/C-static-library/README.adoc

@@ -21,10 +21,10 @@ $ tree
     └── main.cpp
 ```
 
-  * CMakeLists.txt - Contains the CMake commands you wish to run
-  * inc/Hello.h - The header file to include
-  * src/Hello.cpp - A source file to compile
-  * src/main.cpp - The source file with main
+  * link:CMakeLists.txt[] - Contains the CMake commands you wish to run
+  * link:inc/Hello.h[] - The header file to include
+  * link:src/Hello.cpp[] - A source file to compile
+  * link:src/main.cpp[] - The source file with main
 
 
 # Concepts