Setup sentry and update some packages and small bug fixes

Setup sentry

What's Changed

• Create LICENSE by @LukasForst in #750
• Making it easier to run the project: by @kubantjan in #751
• Bump log4js from 6.3.0 to 6.4.1 in /txmatching/web/frontend by @dependabot in #756
• Bump follow-redirects from 1.14.1 to 1.14.8 in /txmatching/web/frontend by @dependabot in #753
• Bump nanoid from 3.1.25 to 3.2.0 in /txmatching/web/frontend by @dependabot in #754
• Bump nth-check from 2.0.0 to 2.0.1 in /txmatching/web/frontend by @dependabot in #755
• Bump engine.io from 4.1.1 to 4.1.2 in /txmatching/web/frontend by @dependabot in #757
• Do not show empty matchings by @kubantjan in #752
• Bump jszip from 3.6.0 to 3.7.1 in /txmatching/web/frontend by @dependabot in #759
• Bump karma from 6.3.4 to 6.3.16 in /txmatching/web/frontend by @dependabot in #777
• Bump url-parse from 1.5.3 to 1.5.10 in /txmatching/web/frontend by @dependabot in #770
• fix: add SPACE as confirmation character to antibody input field by @kristinagalik in #776
• Do not check for number of hla_types in group Other by @kristinagalik in #779
• Chores by @misslecter in #778
• upgrade node version in dockerfile by @misslecter in #785
• 745 allow transplants with manually set positive score by @kristinagalik in #787
• Duplicate patients by @kubantjan in #769
• Add parsin error in case there is typing for one of the basic group missing. by @kristinagalik in #792
• Add sanity check that we have meaninful antibodies for patient by @kristinagalik in #794
• Allow nullable columns in parsing error table by @kristinagalik in #796
• Add severity split to different parsing issue types by @kristinagalik in #793
• Use of Sentry. by @marazt in #802

New Contributors

• @dependabot made their first contribution in #756
• @kristinagalik made their first contribution in #776

Full Changelog: 1.4.20...1.4.21