✨ add support for page count, mimetype + fixes #123

Job	Run time
static-analysis / Run Static Analysis (3.11)	35s
test-units / Run Unit Tests (ubuntu-22.04, 3.9)	29s
test-units / Run Unit Tests (windows-2022, 3.12)	1m 3s
test-units / Run Unit Tests (windows-2022, 3.8)	1m 30s
test-units / Run Unit Tests (ubuntu-22.04, 3.12)	36s
test-units / Run Unit Tests (ubuntu-22.04, 3.11)	28s
test-units / Run Unit Tests (ubuntu-22.04, 3.13)	34s
test-units / Run Unit Tests (ubuntu-22.04, 3.10)	36s
test-units / Run Unit Tests (ubuntu-22.04, 3.8)	38s
test-units / Run Unit Tests (windows-2022, 3.10)	52s
test-units / Run Unit Tests (windows-2022, 3.11)	1m 16s
test-units / Run Unit Tests (windows-2022, 3.9)	52s
test-units / Run Unit Tests (windows-2022, 3.13)	1m 16s
test-integrations / Run Integration Tests (ubuntu-22.04, 3.8)	1m 37s
test-integrations / Run Integration Tests (ubuntu-22.04, 3.12)	1m 14s
test-regressions / Run Regression Tests (ubuntu-22.04, 3.12)	57s
test-regressions / Run Regression Tests (ubuntu-22.04, 3.8)	57s
test-regressions / Run Regression Tests (windows-2022, 3.12)	1m 8s
test-integrations / Run Integration Tests (windows-2022, 3.12)	1m 49s
test-regressions / Run Regression Tests (windows-2022, 3.8)	2m 19s
test-code-samples / Run Code Samples (3.8)	2m 8s
test-code-samples / Run Code Samples (3.12)	1m 42s
test-integrations / Run Integration Tests (windows-2022, 3.8)	2m 19s
	26m 55s

Provide feedback