Fix compilation errors

- Remove nonexistent confDebounce field from WatchConfig (fsnotify 0.4.4.0)
- Remove unused Generic deriving and GHC.Generics import
- Replace .!= with fromMaybe (not re-exported by Data.Yaml)
- Add missing Data.Text import in Main.hs
- Use git -C flag in runGitIn to run in the correct repo directory
- Clean up unused imports

fsnotify-0.4.4.0/README.md

@@ -0,0 +1,18 @@
+![CI](https://github.com/haskell-fswatch/hfsnotify/workflows/CI/badge.svg)
+=========
+
+Unified Haskell interface for basic file system notifications.
+
+This is a library. There are executables built on top of it.
+
+* [spy](https://hackage.haskell.org/package/spy)
+* [steeloverseer](https://github.com/schell/steeloverseer)
+
+
+Requirements
+============
+
+Windows
+-------
+
+compile with -fthreaded