Update License Header and Add New Operation

[alperozturk96]

No description provided.

[github-actions]

SpotBugs

Category	Base	New
Bad practice	35	35
Correctness	34	34
Dodgy code	26	26
Internationalization	6	6
Malicious code vulnerability	49	49
Multithreaded correctness	3	3
Performance	8	8
Total	161	161

[github-actions]

SpotBugs

Category	Base	New
Bad practice	35	35
Correctness	34	34
Dodgy code	26	26
Internationalization	6	6
Malicious code vulnerability	49	49
Multithreaded correctness	3	3
Performance	8	8
Total	161	161

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 24 lines in your changes missing coverage. Please review.

Project coverage is 48.90%. Comparing base (86b0279) to head (9c45fdb).
Report is 3 commits behind head on master.

Files	Patch %	Lines
...sources/users/GetServerPublicKeyRemoteOperation.kt	0.00%	24 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1523      +/-   ##
============================================
- Coverage     49.05%   48.90%   -0.15%     
  Complexity     1002     1002              
============================================
  Files           208      209       +1     
  Lines          7842     7866      +24     
  Branches       1019     1021       +2     
============================================
  Hits           3847     3847              
- Misses         3437     3461      +24     
  Partials        558      558              

Files	Coverage Δ
...owncloud/android/lib/common/network/WebdavEntry.kt	82.51% <ø> (ø)
...ncloud/android/lib/common/network/WebdavUtils.java	88.80% <ø> (ø)
...sources/users/GetServerPublicKeyRemoteOperation.kt	0.00% <0.00%> (ø)