New permission scheme, first draft

[vrotmanh]

No description provided.

[MaxBlaushild]

Could you please include a node script that runs through the application layer implementation? Having trouble grokking how record indexes fit without it

[codecov-io]

Codecov Report

Merging #109 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           master    #109   +/-   ##
======================================
  Coverage    96.6%   96.6%           
======================================
  Files           8       8           
  Lines         206     206           
  Branches       48      48           
======================================
  Hits          199     199           
  Misses          7       7

Impacted Files	Coverage Δ
contracts/LinniaPermissions.sol	98.21% <100%> (ø)	⬆️
contracts/mock/PermissionPolicyMock.sol	100% <100%> (ø)	⬆️

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[godfreyhobbs]

Please keep datauri, we should support both methods.