create initial types of collections defined in gsoc

js/types/Cluster.js

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+export class Cluster {
+  constructor() {
+    // Physics properties
+    this.type = 0;
+    this.energy = 0; // GeV
+    this.energyError = 0; // GeV
+    this.position = []; // mm
+    this.positionError = [];
+    this.iTheta = 0;
+    this.phi = 0;
+    this.directionError; // mm^2
+    this.shapeParameters = [];
+    this.subdetectorEnergies = [];
+    this.clusters = [];
+    this.hits = [];
+  }
+}

js/types/ParticleID.js

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+export class ParticleID {
+  constructor() {
+    // Physics properties
+    this.type = 0;
+    this.pdg = 0;
+    this.algorithmType = 0;
+    this.likelihood = 0;
+    this.parameters = [];
+  }
+}

js/types/RecoParticle.js

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+export class ReconstructedParticle {
+  constructor() {
+    // Physics properties
+    this.pdg = 0;
+    this.energy = 0; // GeV
+    this.momentum = 0; // GeV
+    this.referencePoint = 0; // mm
+    this.charge = 0;
+    this.mass = 0; // GeV
+    this.goodnessOfPID = 0;
+    this.covMatrix = [];
+    this.startVertex = [];
+    this.clusters = [];
+    this.tracks = [];
+    this.particles = [];
+  }
+}

js/types/Track.js

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+export class Track {
+  constructor() {
+    // Physics properties
+    this.type = 0;
+    this.chi2 = 0;
+    this.ndf = 0;
+    this.dEdx = 0;
+    this.dEdxError = 0;
+    this.radiusOfInnermostHit = 0;
+    this.subdetectorHitNumbers = [];
+    this.dxQuantities = [];
+    this.trackerHits = [];
+    this.tracks = [];
+  }
+}

js/types/Vertex.js

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+export class Vertex {
+  constructor() {
+    // Physics properties
+    this.primary = 0;
+    this.chi2 = 0;
+    this.probability = 0;
+    this.position = 0; // mm
+    this.covMatrix = [];
+    this.algorithmType = 0;
+    this.parameters = 0;
+    this.associatedParticles = [];
+  }
+}