refactor(templates): Better template file organization

- .prettierignore & .dockerignore: generate from the repository's
  .gitignore file
- .dockerignore: Ignore .git, *.md, Dockerfile by default
- Remove unnecessary exports for each template
- .gitignore: Better comments and organization

common/.config/templates/pre-commit

@@ -1,14 +1,7 @@
 #!/bin/sh
-#
-# An example hook script to verify what is about to be committed.
-# Called by "git commit" with no arguments.  The hook should
-# exit with non-zero status after issuing an appropriate message if
-# it wants to stop the commit.
-#
-# To enable this hook, rename this file to "pre-commit".
 
 # Check if Gitleaks is installed
-if ! command -v gitleaks > /dev/null 2>&1; then
+if ! command -v gitleaks >/dev/null 2>&1; then
     echo "Gitleaks is not installed. Skipping leak check."
     echo "Please install Gitleaks for enhanced security."
     exit 0