Hartanto Ario Widjaya issues

Results 4 issues of


                                            Hartanto Ario Widjaya

Add SPDX ID for Lab Materials

## Proposed changes This PR adds [SPDX ID](https://spdx.dev/ids/) and copyright statements for Lab Materials as suggested at the [Project Charter](https://github.com/openmainframeproject/foundation/blob/main/project_charters/cobol-programming-course_charter.pdf), exceptions being the IBM-supplied JCL procedures (IGYWC, IGYWCL, IGYWCLG, and...

documentation

Update course with survey result from COBOL WG

### Course Details GitHub ### Description The first chapter of Course 1 highlights [several facts on the use of COBOL on today's era](https://github.com/openmainframeproject/cobol-programming-course/blob/master/COBOL%20Programming%20Course%20%231%20-%20Getting%20Started/COBOL%20Programming%20Course%20%231%20-%20Getting%20Started.md#how-is-cobol-being-used-today). With the recent survey conducted by the...

enhancement

good first issue

API Output for COVID-19 COBOL Challenge is Offline

### Course Details GitHub ### Description The https://api.covid19api.com/summary API used to obtain a JSON file for the [COVID-19 Summary Report COBOL Challenge](https://github.com/openmainframeproject/cobol-programming-course/blob/master/COBOL%20Programming%20Course%20%233%20-%20Advanced%20Topics/COBOL%20Programming%20Course%20%233%20-%20Advanced%20Topics.md#cobol-challenge---the-covid-19-reports) went offline as JHU stops collecting data as...

bug

Contribution guidelines should mention DCO signoff

PR #15 added some guideline for contribution to the project. However, DCO signoff was not mentioned and it seems that many commits had been manually signed-off. I would propose that...