Update documentation (#74)

* Update documentation

* [skip ci] Add line break

* Fix tools package version

Author: ra1028

.gitignore

@@ -23,4 +23,3 @@ archive/
 .build
 bin
 docs
-Package.resolved

Package.resolved

@@ -0,0 +1,167 @@
+{
+  "pins" : [
+    {
+      "identity" : "aexml",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/tadija/AEXML.git",
+      "state" : {
+        "revision" : "38f7d00b23ecd891e1ee656fa6aeebd6ba04ecc3",
+        "version" : "4.6.1"
+      }
+    },
+    {
+      "identity" : "graphviz",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/SwiftDocOrg/GraphViz.git",
+      "state" : {
+        "revision" : "70bebcf4597b9ce33e19816d6bbd4ba9b7bdf038",
+        "version" : "0.2.0"
+      }
+    },
+    {
+      "identity" : "jsonutilities",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/yonaskolb/JSONUtilities.git",
+      "state" : {
+        "revision" : "128d2ffc22467f69569ef8ff971683e2393191a0",
+        "version" : "4.2.0"
+      }
+    },
+    {
+      "identity" : "pathkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/kylef/PathKit.git",
+      "state" : {
+        "revision" : "3bfd2737b700b9a36565a8c94f4ad2b050a5e574",
+        "version" : "1.0.1"
+      }
+    },
+    {
+      "identity" : "rainbow",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/onevcat/Rainbow.git",
+      "state" : {
+        "revision" : "626c3d4b6b55354b4af3aa309f998fae9b31a3d9",
+        "version" : "3.2.0"
+      }
+    },
+    {
+      "identity" : "spectre",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/kylef/Spectre.git",
+      "state" : {
+        "revision" : "26cc5e9ae0947092c7139ef7ba612e34646086c7",
+        "version" : "0.10.1"
+      }
+    },
+    {
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser.git",
+      "state" : {
+        "revision" : "9f39744e025c7d377987f30b03770805dcb0bcd1",
+        "version" : "1.1.4"
+      }
+    },
+    {
+      "identity" : "swift-docc-plugin",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-docc-plugin",
+      "state" : {
+        "revision" : "9b1258905c21fc1b97bf03d1b4ca12c4ec4e5fda",
+        "version" : "1.2.0"
+      }
+    },
+    {
+      "identity" : "swift-docc-symbolkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-docc-symbolkit",
+      "state" : {
+        "revision" : "b45d1f2ed151d057b54504d653e0da5552844e34",
+        "version" : "1.0.0"
+      }
+    },
+    {
+      "identity" : "swift-format",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-format.git",
+      "state" : {
+        "revision" : "3330aaa0a97fe07e764a4dc9bb032b23df3a948f",
+        "version" : "508.0.0"
+      }
+    },
+    {
+      "identity" : "swift-syntax",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-syntax.git",
+      "state" : {
+        "revision" : "2c49d66d34dfd6f8130afdba889de77504b58ec0",
+        "version" : "508.0.1"
+      }
+    },
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "836bc4557b74fe6d2660218d56e3ce96aff76574",
+        "version" : "1.1.1"
+      }
+    },
+    {
+      "identity" : "swift-tools-support-core",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-tools-support-core.git",
+      "state" : {
+        "revision" : "93784c59434dbca8e8a9e4b700d0d6d94551da6a",
+        "version" : "0.5.2"
+      }
+    },
+    {
+      "identity" : "swiftcli",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/jakeheis/SwiftCLI.git",
+      "state" : {
+        "revision" : "2e949055d9797c1a6bddcda0e58dada16cc8e970",
+        "version" : "6.0.3"
+      }
+    },
+    {
+      "identity" : "version",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/mxcl/Version",
+      "state" : {
+        "revision" : "1fe824b80d89201652e7eca7c9252269a1d85e25",
+        "version" : "2.0.1"
+      }
+    },
+    {
+      "identity" : "xcodegen",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/yonaskolb/XcodeGen.git",
+      "state" : {
+        "revision" : "ee60884b132078035d30f9892eb8e3e91ba2382c",
+        "version" : "2.35.0"
+      }
+    },
+    {
+      "identity" : "xcodeproj",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/tuist/XcodeProj.git",
+      "state" : {
+        "revision" : "fae27b48bc14ff3fd9b02902e48c4665ce5a0793",
+        "version" : "8.9.0"
+      }
+    },
+    {
+      "identity" : "yams",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/jpsim/Yams.git",
+      "state" : {
+        "revision" : "0d9ee7ea8c4ebd4a489ad7a73d5c6cad55d6fed3",
+        "version" : "5.0.6"
+      }
+    }
+  ],
+  "version" : 2
+}