Add API docs.

.gitignore

@@ -1 +1,2 @@
 _site
+api

.gitmodules

@@ -0,0 +1,9 @@
+[submodule "src/ReFuel.StbImage"]
+	path = src/ReFuel.StbImage
+	url = https://git.mixedup.dev/ReFuel/ReFuel.StbImage.git
+[submodule "src/ReMime"]
+	path = src/ReMime
+	url = https://git.mixedup.dev/ReFuel/ReMime.git
+[submodule "src/ReFuel.FreeType"]
+	path = src/ReFuel.FreeType
+	url = https://git.mixedup.dev/ReFuel/ReFuel.FreeType.git

docfx.json

@@ -3,20 +3,27 @@
     {
       "src": [
         {
-          "src": "../src",
+          "src": "src",
           "files": [
-            "**/*.csproj"
+            "**/*.csproj",
+            "**/bin/Release/*.dll"
+          ],
+          "exclude": [
+            "ReMime/ReMime.Tests/**"
           ]
         }
       ],
-      "dest": "api"
+      "dest": "api",
+      "properties": {
+        "TargetFramework": "net6.0"
+      }
     }
   ],
   "build": {
     "content": [
       {
         "files": [
-          "**/*.{md,yml}"
+          "**/*.{md,yml}", "api/*.yml"
         ],
         "exclude": [
           "_site/**"