Format trailing-whitespaces and end-of-file with pre-commit

.editorconfig

@@ -1,10 +1,9 @@
 root = true
 
 [*]
-# TODO: Activate and run in a different PR. Lots of files affected
-# trim_trailing_whitespace = true
-# insert_final_newline = true
-# end_of_line = crlf
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = crlf
 indent_style = space
 indent_size = 4
 max_line_length = 120 # Same as .clang-format

.pre-commit-config.yaml

@@ -3,14 +3,11 @@ repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.5.0
     hooks:
-      # TODO: Activate and run in a different PR. Lots of files affected
-      # - id: trailing-whitespace
-      #   args: [--markdown-linebreak-ext=md]
-      # - id: end-of-file-fixer
+      - id: trailing-whitespace
+        args: [--markdown-linebreak-ext=md]
+      - id: end-of-file-fixer
       - id: mixed-line-ending
         args: [--fix=crlf]
-        # Vendored
-        exclude: ^com/win32comext/mapi/src/mapi_headers/.*$
       - id: check-case-conflict
   - repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
     rev: v2.12.0
@@ -38,5 +35,8 @@ repos:
       - id: black
         verbose: true
 
+# Vendored
+exclude: ^(com/win32comext/mapi/src/mapi_headers/|Pythonwin/Scintilla/).*$
+
 ci:
   autoupdate_schedule: quarterly