flake: Attempt to run doctests

Reviewed-by: Alexander Kobjolke <me@failco.de>

package.yaml

@@ -11,7 +11,6 @@ extra-source-files:
 
 dependencies:
   - base >= 4.13 && < 5
-  - text
 #  - bytestring
 #  - time
 #  - process
@@ -29,6 +28,8 @@ default-extensions:
 
 library:
   source-dirs: src
+  dependencies:
+    - text
   verbatim:
     default-language: GHC2021
 
@@ -46,13 +47,19 @@ tests:
     cpp-options: -DTEST
     main: Spec.hs
     source-dirs:
-      - test
+      - test/spec
     dependencies:
       - hcat
       - hspec
       - QuickCheck
-      - quickcheck-instances
-      - quickcheck-text
+      # - quickcheck-instances
+      # - quickcheck-text
     build-tools: hspec-discover
     verbatim:
       default-language: GHC2021
+  # doctest:
+  #   main: Doctest.hs
+  #   source-dirs:
+  #     - test/doctest
+  #   dependencies:
+  #     - process