fix: incorrect cat page range (closes #347)

Issue #345 Fix type mismatch error for cat command

feat: implement dotfiles

- .editorconfig: make possible some ide to be automatic configured using
  the project patterns
- .github/dependabot.yml: make possible update dependencies when this is
  updated

Signed-off-by: Vitor Mattos <[email protected]>

Merge pull request #316 from mikehaertl/315-fix-null-values

Issue #315 Fix htmlspecialchars() warning for null values

Merge pull request #297 from mikehaertl/291-fix-update-info

Issue #291 Fix updateInfo() to accept any updateable data

Merge pull request #282 from mikehaertl/issue-281-replacement-font

Issue #281 Implement `replacementFont($font)` (requires pdftk-java >= 3.3.0)

Merge pull request #264 from mikehaertl/issue-263-attach-file

Issue #263 Implement attachFiles()

Merge pull request #264 from mikehaertl/issue-263-attach-file

Issue #263 Implement attachFiles()

Merge pull request #261 from mikehaertl/issue-260-nested-numeric-fiel…

…d-names

Issue #260 Fix nested fields with numeric field names

Merge pull request #251 from mikehaertl/249-fix-null-values

Issue #249 Fix infinite loop with null values in form data