Count number of hops

[DavIvek]

Description

To be able to limit number of hops in query, firstly we need to count number of hops.
Firstly, we want to count number of hops in DFS, BFS and classic expands. Every unit of work is counted as hop, including filtering on edge types, edge properties or visiting already processed nodes.

[master < Task] PR

• Provide the full content or a guide for the final git message
  • [FINAL GIT MESSAGE]

Documentation checklist

• Add the documentation label tag
• Add the bug / feature label tag
• Add the milestone for which this feature is intended
  • If not known, set for a later milestone
• Write a release note, including added/changed clauses
  • The total number of hops counted throughout the entire query is returned in the number_of_hops field in the summary.
• Link the documentation PR here
  • [Documentation PR link]
• Tag someone from docs team in the comments

cc @kgolubic

[gitbuda]

@DavIvek A few minor fixes required, but overall looks good (this is the right size of a PR and the right first step 💪)

[Josipmrden]

some comments but LGTM

[sonarcloud]

Quality Gate failed

Failed conditions
C Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarCloud

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[gitbuda]

all comments resolved -> 🚀