Added In-page Navigation links to Section 2

Author: Firanus

2 - Basic Operators/2.0 - Basic Operators.md

@@ -4,4 +4,6 @@ Swift includes all the basic C operators, but makes improvements on several of t
 * = no longer returns a value to avoid confusion with ==
 * Arithmetic operators detect and avoid value overflow
 
-It also provides range operators to make it easier to express ranges of values.
+It also provides range operators to make it easier to express ranges of values.
+
+[Previous Section](../1%20-%20The%20Basics/1.13%20-%20Assertions%20and%20Preconditions.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Note](../2%20-%20Basic%20Operators/2.1%20-%20Terminology.md)

2 - Basic Operators/2.1 - Terminology.md

@@ -9,4 +9,6 @@ Operators come in 3 varieties, *unary*, *binary*, and *ternary*.
 2. *Binary* operators, which operate on two targets. They are always *infix*, appearing between their two targets (e.g. a + b)
 3. *Ternary* operators, which operate on 3 targets. Like C, Swift has only one, the ternary conditional (a ? b : c)
 
-The values which operators affect are called *operands*
+The values which operators affect are called *operands*
+
+[Previous Note](../2%20-%20Basic%20Operators/2.0%20-%20Basic%20Operators.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Note](../2%20-%20Basic%20Operators/2.2%20-%20The%20Arithmetic%2C%20Assignment%20and%20Logical%20Operators.md)

2 - Basic Operators/2.2 - The Arithmetic, Assignment and Logical Operators.md

@@ -38,4 +38,6 @@ The Logical operators are the same as in C, namely
 They can of course be chained together. When this happens they are *left-associative*, i.e. the left-most sub-expression is evaluated first. In other words, the following two expressions are equivalent:
 
 `a && b || c`
-`(a && b) || c`
+`(a && b) || c`
+
+[Previous Note](../2%20-%20Basic%20Operators/2.1%20-%20Terminology.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Note](../2%20-%20Basic%20Operators/2.3%20-%20Comparison%20Operators.md)

2 - Basic Operators/2.3 - Comparison Operators.md

@@ -7,4 +7,6 @@ Swift supports all the standard C comparison operators:
 * Greater than (a > b)
 * Less than (a < b)
 * Greater than or equal to (a >= b)
-* Less than or equal to (a <= b)
+* Less than or equal to (a <= b)
+
+[Previous Note](../2%20-%20Basic%20Operators/2.2%20-%20The%20Arithmetic%2C%20Assignment%20and%20Logical%20Operators.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Note](../2%20-%20Basic%20Operators/2.4%20-%20Ternary%20Conditional%20Operator.md)

2 - Basic Operators/2.4 - Ternary Conditional Operator.md

@@ -15,4 +15,6 @@ if question {
 }
 ```
 
-While very useful, be careful when using this operator. Used too liberally, it can make your code hard to read.
+While very useful, be careful when using this operator. Used too liberally, it can make your code hard to read.
+
+[Previous Note](../2%20-%20Basic%20Operators/2.5%20-%20Nil-Coalescing%20Operator.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Note](../2%20-%20Basic%20Operators/2.0%20-%20Basic%20Operators.md)

2 - Basic Operators/2.5 - Nil-Coalescing Operator.md

@@ -5,4 +5,6 @@ The nil-coalescing operator `a ?? b`, unwraps an optional a if it contains a val
 It is shorthand for the following:
 ```Swift
 a != nil ? a! : b
-```
+```
+
+[Previous Note](../2%20-%20Basic%20Operators/2.4%20-%20Ternary%20Conditional%20Operator.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Note](../2%20-%20Basic%20Operators/2.6%20-%20Range%20Operators.md)

2 - Basic Operators/2.6 - Range Operators.md

@@ -70,4 +70,6 @@ let range = ...5
 range.contains(7)   // false
 range.contains(4)   // true
 range.contains(-1)  // true
-```
+```
+
+[Previous Note](../2%20-%20Basic%20Operators/2.5%20-%20Nil-Coalescing%20Operator.md)| [Back To Contents](https://github.com/Firanus/swift-language-guide-notes) |  [Next Section](../3%20-%20Strings%20and%20Characters/3.0%20-%20Strings%20and%20Characters.md)