Adding ./data to save output. This make the repo cleaner.

Author: pasvorn

README.md

@@ -5,4 +5,8 @@ There are three files in this collection.
  - README.md - this read me file
  - contagion001.pde - simulator main loop
 
+When running this simulation, it create a data in 
+comma-separate-value (CSV) format in the "data" 
+directory. You need to make sure you create a directory.
+
 

contagion001.pde

@@ -17,7 +17,7 @@ void setup() {
    p1[i] = new People(i);
  }
  p1[0].getsick(1);
- String filename = "data" + ".csv";
+ String filename = "src/data" + ".csv";
  output = createWriter(filename);
  output.println("Frame,Well,Sick,Recovered");
 }