add missing arguments to node endpoints

[nikita-b]

• Added missing arguments to /nodes endpoint.
• Added missing tests
• Added types

[codecov[bot]]

Codecov Report

Merging #152 (5c7e8bd) into master (364f063) will increase coverage by 0.09%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #152      +/-   ##
==========================================
+ Coverage   90.63%   90.72%   +0.09%     
==========================================
  Files          31       31              
  Lines        1292     1294       +2     
==========================================
+ Hits         1171     1174       +3     
+ Misses        121      120       -1     

Impacted Files	Coverage Δ
nomad/api/evaluation.py	96.77% <ø> (ø)
nomad/api/namespace.py	51.35% <ø> (ø)
nomad/api/allocation.py	93.75% <100.00%> (ø)
nomad/api/node.py	87.87% <100.00%> (+0.18%)	:arrow_up:
nomad/api/nodes.py	91.11% <100.00%> (+2.47%)	:arrow_up: