Add table for dependency method types. [skip ci]
@@ -196,3 +196,18 @@ which are supported by MSVC, GCC, Clang, and other compilers.
|----------------------|
| dllexport |
| dllimport |
+
+
+## Dependency lookup methods
+
+These are the values that can be passed to `dependency` function's
+`method` keyword argument.
+
+| Name | Comment |
+| ----- | ------- |
+| auto | Automatic method selection |
+| pkg-config | Use Pkg-Config |
+| cmake | Look up as a CMake module |
+| config-tool | Use a custom dep tool such as `cups-config` |
+| system | System provided (e.g. OpenGL) |
+| extraframework | A macOS/iOS framework |
