add missing @author annotations, phetsims/chipper#1414

js/neuron-main.js

@@ -2,6 +2,8 @@
 
 /**
  * Main entry point for the neuron sim.
+ *
+ * @author Sam Reid
  */
 
 import Sim from '../../joist/js/Sim.js';

js/neuron/common/NeuronProfiler.js

@@ -4,6 +4,8 @@
  * Sim-specific code for profiling, created for testing optimizations.  This profiler can be triggered via a method call
  * and will then gather profiling data for the specified amount of time, and then log the collected information to the
  * console.  On iOS devices, it displays the information in an "alert" window.
+ *
+ * @author John Blanco (PhET Interactive Simulations)
  */
 
 import Utils from '../../../../dot/js/Utils.js';

js/neuron/model/ParticleFactory.js

@@ -3,7 +3,7 @@
 /**
  * Factory class for Particle
  *
- * @Sharfudeen Ashraf (for Ghent University)
+ * @author Sharfudeen Ashraf (for Ghent University)
  */
 
 import neuron from '../../neuron.js';

js/neuron/model/ParticlePosition.js

@@ -1,5 +1,8 @@
 // Copyright 2014-2021, University of Colorado Boulder
 
+/**
+ * @author Sam Reid
+ */
 
 import neuron from '../../neuron.js';
 

js/neuron/view/chart/DataLineCanvasNode.js

@@ -3,6 +3,8 @@
 /**
  * A node that represents a line created from a collection of points, intended to be used  to represent data on a
  * graph.  This is created as part of an effort to improve the performance of the dynamic chart in the Neuron sim.
+ *
+ * @author John Blanco (PhET Interactive Simulations)
  */
 
 import Bounds2 from '../../../../../dot/js/Bounds2.js';