[Models] Fix enumeration of blocks in ResidualBasicBlockStack init (#192)

* [Models] Fix enumeration of blocks in `ResidualBasicBlockStack` initialization

* Start range at

* Update ranges

Author: jon-tow

Models/ImageClassification/ResNet50.swift

@@ -99,7 +99,7 @@ public struct ResidualBasicBlockStack: Layer {
     public var blocks: [ResidualBasicBlock] = []
 
     public init(featureCounts: (Int, Int, Int, Int), kernelSize: Int = 3, blockCount: Int) {
-        for _ in 1..<blockCount {
+        for _ in 0..<blockCount {
             blocks += [ResidualBasicBlock(featureCounts: featureCounts, kernelSize: kernelSize)]
         }
     }
@@ -168,7 +168,7 @@ public struct ResidualIdentityBlockStack: Layer {
     public var blocks: [ResidualIdentityBlock] = []
 
     public init(featureCounts: (Int, Int, Int, Int), kernelSize: Int = 3, blockCount: Int) {
-        for _ in 1..<blockCount {
+        for _ in 0..<blockCount {
             blocks += [ResidualIdentityBlock(featureCounts: featureCounts, kernelSize: kernelSize)]
         }
     }