Update README

Author: lukaskubanek

README.md

@@ -1,6 +1,6 @@
 # swift-mrdt
 
-<badges>
+[![CI](https://github.com/structuredpath/swift-mrdt/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/structuredpath/swift-mrdt/actions/workflows/ci.yml) ![Swift 6.0+](https://img.shields.io/badge/Swift-6.0%2B-orange.svg)
 
 An implementation of [Mergeable Replicated Data Types](https://doi.org/10.1145/3360580) (MRDTs) for Swift collection types, as introduced by Kaki et al. (OOPSLA 2019).
 
@@ -26,7 +26,7 @@ let merged = Set.merge(
     left: ["a", "c"], // removed "b", added "c"
     right: ["a", "b", "d"] // added "d"
 )
-// ["a", "c", "d"]
+// => ["a", "c", "d"]
 ```
 
 ### Ordered Set
@@ -40,7 +40,7 @@ let merged = OrderedSet.merge(
     right: ["a", "b", "d", "c"], // swapped "c" and "d"
     options: .init(isOrderedBeforeWhenConflicting: <)
 )
-// ["b", "a", "d", "c"]
+// => ["b", "a", "d", "c"]
 ```
 
 A deterministic comparator is required to resolve ordering conflicts when the relative order of two elements cannot be determined from the merge inputs alone:
@@ -52,7 +52,7 @@ let merged = OrderedSet.merge(
     right: ["a", "b", "y"], // added "y"
     options: .init(isOrderedBeforeWhenConflicting: <)
 )
-// ["a", "b", "x", "y"]
+// => ["a", "b", "x", "y"]
 ```
 
 ### Dictionary
@@ -66,7 +66,7 @@ let merged = Dictionary.merge(
     right: ["a": 5, "b": 2], // changed "a"
     options: .init(mergeValue: { left, right in max(left, right) })
 )
-// ["a": 5, "b": 2, "c": 4]
+// => ["a": 5, "b": 2, "c": 4]
 ```
 
 For more control, separate closures can be provided for concurrent edits (where the base value is available) and concurrent insertions:
@@ -85,7 +85,7 @@ let merged = Dictionary.merge(
         }
     )
 )
-// ["a": 7, "b": 20]
+// => ["a": 7, "b": 20]
 ```
 
 ### Ordered Dictionary
@@ -102,7 +102,7 @@ let merged = OrderedDictionary.merge(
         mergeValue: { left, right in [left, right].sorted().joined(separator: "|") }
     )
 )
-// [2: "b", 1: "x|y", 3: "c"]
+// => [2: "b", 1: "x|y", 3: "c"]
 ```
 
 ## Installation