Add DocFx config

Author: GeorgDangl

Nuke.GitHub.sln

@@ -12,6 +12,7 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{5340EBE2-8978-4B8F-86C7-3EEF99A95C44}"
 	ProjectSection(SolutionItems) = preProject
 		CHANGELOG.md = CHANGELOG.md
+		docfx.json = docfx.json
 		LICENSE.md = LICENSE.md
 		README.md = README.md
 	EndProjectSection

app-logo.png

@@ -0,0 +1,57 @@
+{
+  "metadata": [
+    {
+      "src": [
+        {
+          "src": "src",
+          "files": [
+            "Nuke.GitHub/*.csproj"
+          ],
+          "exclude": [
+            "**/bin/**",
+            "**/obj/**"
+          ]
+        }
+      ],
+      "dest": "api",
+      "properties": {
+        "TargetFramework": "netstandard2.0"
+      }
+    }
+  ],
+  "build": {
+    "content": [
+      {
+        "files": [
+          "*.md",
+          "**/*.yml"
+        ],
+        "exclude": [
+          "output/**/*",
+          "GitVersion.yml"
+        ]
+      }
+    ],
+    "resource": [
+      {
+        "files": [
+          "**.png"
+        ]
+      }
+    ],
+    "overwrite": "specs/*.md",
+    "globalMetadata": {
+      "_appTitle": "Nuke.GitHub Documentation",
+      "_appFooter": "&copy; <a href=\"https://www.dangl-it.com\" target=\"_blank\">Dangl IT - Georg Dangl</a>",
+      "_appLogoPath": "app-logo.png",
+      "_appFaviconPath": "app-logo.png",
+      "_enableSearch": true,
+      "_gitUrlPattern": "github"
+    },
+    "dest": "output/docs",
+    "template": [
+      "default",
+      "docstemplate"
+    ]
+  }
+}