Adding the default role for IM plugin

[thalurur]

Signed-off-by: Ravi Thaluru ravi1092@gmail.com

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Adding a new full access role for IndexManagement plugin so users who want to manage all indices, create policies, create rollups, create transforms can use the deafult role.

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[codecov-commenter]

Codecov Report

Merging #1427 (55dfe23) into main (4b16644) will increase coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #1427      +/-   ##
============================================
+ Coverage     64.83%   64.85%   +0.01%     
- Complexity     3217     3218       +1     
============================================
  Files           247      247              
  Lines         17278    17278              
  Branches       3057     3057              
============================================
+ Hits          11203    11205       +2     
+ Misses         4525     4524       -1     
+ Partials       1550     1549       -1     

Impacted Files	Coverage Δ
...a/org/opensearch/security/tools/SecurityAdmin.java	47.52% <0.00%> (+0.26%)	⬆️

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[hardik-k-shah]

shouldn't these rollup and transform be a part of ISM plugin and should have same path as of policy and mangedindex ?

ideally it should be like .. ism/rollup and ism/transform same as ism/policy and ism/managedindex

[thalurur]

The format followed so far is opendistro/<feature>/... created an issue in IndexManagement - opensearch-project/index-management#138

[vrozov]

rebase against main and sign commit.