Minor documentation improvements

Summary: Minor tidying of documentation and adding some groups.

Test Plan: Eyeball it.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D13135

src/docs/book/arcanist.book

@@ -1,21 +1,33 @@
 {
-  "name" : "arcanist",
-  "title" : "Arcanist Technical Documentation",
-  "short" : "Arcanist Tech Docs",
-  "preface" : "Technical documentation for developing Arcanist.",
-  "root" : "../../../",
-  "uri.source" :
+  "name": "arcanist",
+  "title": "Arcanist Technical Documentation",
+  "short": "Arcanist Tech Docs",
+  "preface": "Technical documentation for developing Arcanist.",
+  "root": "../../../",
+  "uri.source":
     "https://secure.phabricator.com/diffusion/ARC/browse/master/%f$%l",
-  "rules" : {
-    "(\\.php$)" : "DivinerPHPAtomizer",
-    "(\\.diviner$)" : "DivinerArticleAtomizer"
+  "rules": {
+    "(\\.diviner$)": "DivinerArticleAtomizer",
+    "(\\.php$)": "DivinerPHPAtomizer"
   },
-  "exclude" : [
+  "exclude": [
     "(^externals/)",
+    "(^resources/)",
     "(^scripts/)",
-    "(^support/)",
-    "(^resources/)"
+    "(^support/)"
   ],
-  "groups" : {
+  "groups": {
+    "lint": {
+      "name": "Lint",
+      "include": "(^src/lint/)"
+    },
+    "unit": {
+      "name": "Unit Testing",
+      "include": "(^src/unit/)"
+    },
+    "workflow": {
+      "name": "Workflows",
+      "include": "(^src/workflow/)"
+    }
   }
 }