feat: integrate pre-generated connectivity data with OASIS service

[CodeBear801]

issue: #242

Issue

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  Closes Oasis - Extend oasis service's graph - multiple orig and destination #242

Description

integrate pre-generated connectivity data with OASIS service, got response for testing in CA. :) Will have more test and generate performance matrix later.

• Add filter in node_graph, avoid adding un-reachable stations into priority queue
  • adjust related testing cases
  • fix bug while adding end node to sorted slice
• Create new package of selectionstrategy, which contains
  • detect reachable or not
  • whether need charge or not
  • one charge
  • multiple charge
    * SearchAlongRoute(comment temporarily)
    * ChargeStationBasedStrategy

Tasklist

• CHANGELOG-FORK.md entry (CHANGELOG)
• profiles/CHANGELOG.md entry if any Lua changes
• update relevant Wiki pages
• add tests (see testing documentation

Prerequirements

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