Update Project.md and Application.md

Application.md

@@ -32,7 +32,7 @@ Run the following command to create a new application:
 ```bash
 gy resource app init -p project_id
 ```
->If you don’t know your project ID or haven’t created a project yet, see the [[Project]] documentation.
+>If you don’t know your project ID or haven’t created a project yet, see the [Projects](Project.md) documentation.
 #### Flags
 
 | Flag          | what does it do           | comment                              |