Large refactor

[Almerc]

• fix: add upsc mock; refactor; create evaluation-schema

fix: refactor; add sample evaluation.json

fix: update gitignore and rename ignored folder

fix: setup skeleton; refactor

• fix: refactor; change defaults to .py; pickup config.json recursively; wip pass instance

• fix: update evaluation-schema and sample json wip

fix: refactor; connect evaluation schema

fix: checked validation using evaluation schema

• refactor: separate static vs instance ImageUtils; breakfown files further; move constants/configs to better places;

fix: refactor; move instance ops to core; minor changes

refactor: extract tuning config from instance

fix: add screeninfo for simple window info

• fix: load json error handling; dynamic config json working for sample5

• fix: use formatted strings at all places necessary

• fix: correct config schema

• fix: working evaluation code

fix: evaluation schema fixes

• fix: add range operator support; add validations for marking scheme and omr response

• fix: add a sample with answer_key.csv

• fix: minor fixes

• fix: foundation for answer_key_image_path; refactoring; minor changes

• fix: remove unnecessary comments; fix minor comments

• fix: further on foundation for csv_from_image feature; refactoring

• fix: stronger validations; conditionality in streak scheme; joinpath refactor

• fix: support multi-correct and basic multi-weighted; update explanations

• fix: csv load custom key support

fix: additional warning

• fix: add evaluation configs in some samples

• fix: load answer key from image with working samples

fix: compress images

• fix: compress images

• fix: update samples; add readme for template shift sample

• fix: reduce images; minor changes

• [Feature] setup pytest on existing samples ([Feature] setup pytest on existing samples Udayraj123/OMRChecker#124)

• fix: load answer key from image with working samples

• fix: pytests set up with snapshots for all samples

• fix: run sample1 on pre-commit; run all tests on pre-push

fix: add default_install_hook_types

fix: add explicit stages

• fix: update snapshots

• fix: bug fixes

• [Feature] Simplify template jsons ([Feature] Simplify template jsons Udayraj123/OMRChecker#127)

• fix: update snapshots

feat: simplify template schema and block logic; consume it; use fields terminology; update all samples

fix: bug fixes

• fix: refactor template.py; minor template json cleanup

• fix: changes after updating wiki

• feat: setup tests for template validations; fixed few bugs

fix: renaming

fix: test

• fix: refactor

fix: refactor tests structure and add utils

• fix: minor fixes

• fix: reorder imports; rename question -> field

• fix: review changes

• fix: remove streak logic