update docs

Author: cosmicvarion

docs/Spren-Vision/Spren-Vision-iOS-SDK.md

@@ -8,7 +8,9 @@
 
 ## Spren UI
 
-### Implementation Example
+### Implementation Examples
+
+#### Finger Camera
 
 ```swift
 import SwiftUI
@@ -29,20 +31,61 @@ let config = SprenUI.Config(
     primaryColor:   <optional, Color>, // used for buttons
     secondaryColor: <optional, Color>, // used for graphics
 
-    project: .fingerCamera, // or `.bodyComp`
+    project: .fingerCamera,
 
     // optionally override default intro screen graphics
     // provide names for image sets in main bundle xcassets
     // *all are required for each project if overriding
     graphics: [
-        // for a `.fingerCamera` project
         .greeting1:      "<image set name>", // greeting screen 1
         .greeting2:      "<image set name>", // greeting screen 2
         .fingerOnCamera: "<image set name>", // finger on camera instruction screen
         .noCamera:       "<image set name>", // camera access authorization denied screen
         .serverError:    "<image set name>"  // server or calculation error
+    ],
+
+    onCancel: {
+        // user exited UI before completing a reading
+        // dismiss SprenUI
+    },
+    onFinish: { results in
+        // user completed a reading!
+        print(results)
+        // dismiss SprenUI
+    }
+)
+
+// init SprenUI view
+SprenUI(config: config)
+
+```
+
+#### Body Composition
+```swift
+import SwiftUI
+import SprenUI
+
+// create SprenUI configuration
+let config = SprenUI.Config(
+    // API
+    baseURL: "https://test.api.spren.com",
+    apiKey: "<API key>",
+
+    // user
+    userID: "<user ID>",
+    userGender: <optional, male, female, or other>,
+    userBirthdate: <optional, Date>,
+
+    // UI
+    primaryColor:   <optional, Color>, // used for buttons
+    secondaryColor: <optional, Color>, // used for graphics
+
+    project: .bodyComp,
 
-        // for a `.bodyComp` project
+    // optionally override graphics
+    // provide names for image sets in main bundle xcassets
+    // *all are required for each project if overriding
+    graphics: [
         .setupGuide:            "<image set name>",
         .serverError:           "<image set name>",
         .privacy:               "<image set name>",
@@ -53,11 +96,11 @@ let config = SprenUI.Config(
     ],
 
     onCancel: {
-        // user exited UI before completing a reading
+        // user exited UI before completing a scan
         // dismiss SprenUI
     },
     onFinish: { results in
-        // user completed a reading!
+        // user completed a scan!
         print(results)
         // dismiss SprenUI
     }