Update ProjectSpec.md

Docs/ProjectSpec.md

@@ -1,62 +1,58 @@
 # Project Spec
 
-### Index
-
-- [Project Spec](#project-spec)
-    - [Index](#index)
-  - [General](#general)
-  - [Project](#project)
-    - [Include](#include)
-    - [Options](#options)
-    - [GroupOrdering](#groupordering)
-    - [FileType](#filetype)
-    - [Breakpoints](#breakpoints)
-      - [Breakpoint Action](#breakpoint-action)
-    - [Configs](#configs)
-    - [Setting Groups](#setting-groups)
-  - [Settings](#settings)
-  - [Target](#target)
-    - [Product Type](#product-type)
-    - [Platform](#platform)
-    - [Sources](#sources)
-      - [Target Source](#target-source)
-    - [Dependency](#dependency)
-    - [Config Files](#config-files)
-    - [Plist](#plist)
-    - [Build Script](#build-script)
-    - [Build Rule](#build-rule)
-    - [Target Scheme](#target-scheme)
-    - [Legacy Target](#legacy-target)
-  - [Aggregate Target](#aggregate-target)
-  - [Target Template](#target-template)
-  - [Scheme](#scheme)
-    - [Build](#build)
-    - [Common Build Action options](#common-build-action-options)
-    - [Execution Action](#execution-action)
-    - [Run Action](#run-action)
-    - [Test Action](#test-action)
-      - [Test Target](#test-target)
-      - [Other Parameters](#other-parameters)
-      - [Testable Target Reference](#testable-target-reference)
-    - [Archive Action](#archive-action)
-    - [Simulate Location](#simulate-location)
-    - [Scheme Management](#scheme-management)
-    - [Environment Variable](#environment-variable)
-    - [Test Plan](#test-plan)
-  - [Scheme Template](#scheme-template)
-  - [Swift Package](#swift-package)
-    - [Remote Package](#remote-package)
-    - [Local Package](#local-package)
-  - [Project Reference](#project-reference)
-
-## General
-
 The project spec can be written in either YAML or JSON. All the examples below use YAML.
 
-Required properties are marked with checkbox. Some of the YAML examples don't show all the required properties. For example not all target examples will have a platform or type, even though they are required.
+- [x] required property
+- [ ] optional property
+
+Some of the YAML examples below don't show all the required properties. For example not all target examples will have a platform or type, even though they are required.
 
 You can also use environment variables in your configuration file, by using `${SOME_VARIABLE}` in a string.
 
+- [Project](#project)
+  - [Include](#include)
+  - [Options](#options)
+  - [GroupOrdering](#groupordering)
+  - [FileType](#filetype)
+  - [Breakpoints](#breakpoints)
+    - [Breakpoint Action](#breakpoint-action)
+  - [Configs](#configs)
+  - [Setting Groups](#setting-groups)
+- [Settings](#settings)
+- [Target](#target)
+  - [Product Type](#product-type)
+  - [Platform](#platform)
+  - [Sources](#sources)
+    - [Target Source](#target-source)
+  - [Dependency](#dependency)
+  - [Config Files](#config-files)
+  - [Plist](#plist)
+  - [Build Script](#build-script)
+  - [Build Rule](#build-rule)
+  - [Target Scheme](#target-scheme)
+  - [Legacy Target](#legacy-target)
+- [Aggregate Target](#aggregate-target)
+- [Target Template](#target-template)
+- [Scheme](#scheme)
+  - [Build](#build)
+  - [Common Build Action options](#common-build-action-options)
+  - [Execution Action](#execution-action)
+  - [Run Action](#run-action)
+  - [Test Action](#test-action)
+    - [Test Target](#test-target)
+    - [Other Parameters](#other-parameters)
+    - [Testable Target Reference](#testable-target-reference)
+  - [Archive Action](#archive-action)
+  - [Simulate Location](#simulate-location)
+  - [Scheme Management](#scheme-management)
+  - [Environment Variable](#environment-variable)
+  - [Test Plan](#test-plan)
+- [Scheme Template](#scheme-template)
+- [Swift Package](#swift-package)
+  - [Remote Package](#remote-package)
+  - [Local Package](#local-package)
+- [Project Reference](#project-reference)
+
 ## Project
 
 - [x] **name**:  **String** - Name of the generated project