fix workshop typos

[Fawaz-Lawal]

Fixes # .

Changes proposed in this pull request:

• Made some corrections and restructured some sentences in the Basic section of the docs

@pgRouting/admins

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⚙️ Run configuration

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📥 Commits

Reviewing files that changed from the base of the PR and between 6114f86 and a85a945.

📒 Files selected for processing (9)

• docs/basic/data.rst
• docs/basic/graphs.rst
• docs/basic/pedestrian.rst
• docs/basic/sql_function.rst
• docs/basic/vehicle.rst
• docs/basic/withPoints.rst
• docs/general-intro/introduction.rst
• docs/general-intro/osgeolive.rst
• docs/general-intro/overview.rst

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