Update hooks; Exclude markdown; Better pre-commit install command (#186)

* Update hooks; Exclude markdown; Better pre-commit install command

* Documented pre-commit more clearly

* Added warning about how pre-commit works

.taskfiles/pre-commit.yml

@@ -5,7 +5,7 @@ tasks:
   init:
     desc: Initialize pre-commit hooks
     cmds:
-      - pre-commit install-hooks
+      - pre-commit install --install-hooks
   run:
     desc: Run pre-commit
     cmds: