feat: [IOPLT-959] Implements the Offline check loop feature

[CrisTofani]

Warning

This PR depends on pagopa/io-backend#1184

Short description

This PR represents a first implementation of an infinite checker through app session of its own connectivity status.
The Code is based on @react-native-community/netinfo library, checking the connectivity on a specific endpoint exposed by our backend infrastructure. The checker runs in a specific loop handled by a saga that starts at the app opening such as the one reloading the app remote configuration. At any check it writes up the result of the check on the redux store in order to be read by any component of the app itself.

List of changes proposed in this pull request

• implemented saga and store feature for connectivity check.

How to test

Open the app and check the saga invoke on the determined time loop.

[github-actions]

PR Title Validation for conventional commit type

✅ All good! PR title follows the conventional commit type.

[github-actions]

Jira Pull Request Link

This Pull Request refers to Jira issues:

• IOPLT-959

[codecov]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 50.31%. Comparing base (a80ec32) to head (85955a0).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
ts/features/connectivity/store/reducers/index.ts	77.77%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6734      +/-   ##
==========================================
+ Coverage   50.30%   50.31%   +0.01%     
==========================================
  Files        1564     1566       +2     
  Lines       32523    32534      +11     
  Branches     7355     7311      -44     
==========================================
+ Hits        16362    16371       +9     
- Misses      16108    16122      +14     
+ Partials       53       41      -12     

Files with missing lines	Coverage Δ
ts/features/common/store/reducers/index.ts	100.00% <ø> (ø)
ts/features/connectivity/store/actions/index.ts	100.00% <100.00%> (ø)
ts/features/connectivity/store/reducers/index.ts	77.77% <77.77%> (ø)

... and 12 files with indirect coverage changes

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[shadowsheep1]

LGTM