[#736] add TLS skip verification option for remote node

[yohamta]

Related: #736

Add skipTLSVerify configuration option for remote nodes that allows users to control TLS certificate verification on a per-node basis.

Example configuration:

remoteNodes:
  - name: "DEV"
    apiBaseUrl: "https://dev-server:8443/api/v1"
    isAuthToken: true
    authToken: "..."
    skipTLSVerify: true  # Skip TLS verification for this node

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.64%. Comparing base (3bcdca9) to head (bfe01b8).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #739   +/-   ##
=======================================
  Coverage   61.64%   61.64%           
=======================================
  Files          53       53           
  Lines        5262     5262           
=======================================
  Hits         3244     3244           
  Misses       1764     1764           
  Partials      254      254           

Files with missing lines	Coverage Δ
internal/config/config.go	0.00% <ø> (ø)

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