Add more parameters for file create, modify interfaces

[yong-huang]

Add more parameters for the filesystem, nfs share, cifs share creation, modification interfaces.

Major changes:

• UnityFileSystem create, modify, create_nfs_share, create_cifs_share methods
• UnityNfsShare create, create_from_snap, modify methods
• UnityCifsShare create, create_from_snap, modify methods
• UnityPool create_filesystem，create_nfs_share methods
• UnityJob create_nfs_share method

[codecov[bot]]

Codecov Report

Merging #331 into master will increase coverage by 0.02%. The diff coverage is 95.26%.

@@            Coverage Diff             @@
##           master     #331      +/-   ##
==========================================
+ Coverage   91.67%   91.70%   +0.02%     
==========================================
  Files          99       99              
  Lines       13769    13927     +158     
  Branches     1663     1686      +23     
==========================================
+ Hits        12623    12772     +149     
- Misses        733      741       +8     
- Partials      413      414       +1     

Impacted Files	Coverage Δ
storops/unity/resource/nfs_share.py	84.14% <88.00%> (-0.07%)	:arrow_down:
storops/unity/resource/filesystem.py	92.90% <94.91%> (+0.27%)	:arrow_up:
storops/exception.py	97.40% <100.00%> (+0.12%)	:arrow_up:
storops/unity/enums.py	98.83% <100.00%> (+<0.01%)	:arrow_up:
storops/unity/resource/cifs_share.py	88.20% <100.00%> (+1.75%)	:arrow_up:
storops/unity/resource/job.py	95.57% <100.00%> (+0.38%)	:arrow_up:
storops/unity/resource/pool.py	100.00% <100.00%> (ø)

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