improve readme, index and getting started docs

[DavidBadura]

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[github-actions]

Hello 👋

here is the most recent benchmark result:

SplitStreamBench
================

+-------------------------+--------------------+--------------------+-----------------+------------+
|                         | time (kde mode)                         | memory                       |
+-------------------------+--------------------+--------------------+-----------------+------------+
| subject                 | Tag: <current>     | Tag: base          | Tag: <current>  | Tag: base  |
+-------------------------+--------------------+--------------------+-----------------+------------+
| benchLoad10000Events () | 2.451ms (±0.00%)   | 2.486ms (±0.00%)   | 36.020mb        | 36.020mb   |
| benchSave10000Events () | 338.059ms (±0.00%) | 345.601ms (±0.00%) | 36.287mb        | 36.287mb   |
+-------------------------+--------------------+--------------------+-----------------+------------+

SnapshotsBench
==============

+----------------------------------------+--------------------+--------------------+-----------------+------------+
|                                        | time (kde mode)                         | memory                       |
+----------------------------------------+--------------------+--------------------+-----------------+------------+
| subject                                | Tag: <current>     | Tag: base          | Tag: <current>  | Tag: base  |
+----------------------------------------+--------------------+--------------------+-----------------+------------+
| benchLoad10000EventsMissingSnapshot () | 131.674ms (±0.00%) | 130.647ms (±0.00%) | 32.658mb        | 32.658mb   |
| benchLoad10000Events ()                | 217.950μs (±0.00%) | 217.200μs (±0.00%) | 32.658mb        | 32.658mb   |
+----------------------------------------+--------------------+--------------------+-----------------+------------+

SyncProjectionistBench
======================

+-------------------------+--------------------+--------------------+-----------------+------------+
|                         | time (kde mode)                         | memory                       |
+-------------------------+--------------------+--------------------+-----------------+------------+
| subject                 | Tag: <current>     | Tag: base          | Tag: <current>  | Tag: base  |
+-------------------------+--------------------+--------------------+-----------------+------------+
| benchSave1Event ()      | 1.868ms (±0.00%)   | 1.693ms (±0.00%)   | 8.163mb         | 8.163mb    |
| benchSave10000Events () | 476.202ms (±0.00%) | 479.680ms (±0.00%) | 33.495mb        | 33.495mb   |
+-------------------------+--------------------+--------------------+-----------------+------------+

SimpleSetupBench
================

+----------------------------------------+--------------------+--------------------+-----------------+------------+
|                                        | time (kde mode)                         | memory                       |
+----------------------------------------+--------------------+--------------------+-----------------+------------+
| subject                                | Tag: <current>     | Tag: base          | Tag: <current>  | Tag: base  |
+----------------------------------------+--------------------+--------------------+-----------------+------------+
| benchLoad10000Events ()                | 130.522ms (±0.00%) | 132.989ms (±0.00%) | 32.637mb        | 32.637mb   |
| benchSave1Event ()                     | 1.323ms (±0.00%)   | 1.815ms (±0.00%)   | 32.637mb        | 32.637mb   |
| benchSave10000Events ()                | 302.545ms (±0.00%) | 298.914ms (±0.00%) | 32.862mb        | 32.862mb   |
| benchSave10000Aggregates ()            | 14.911s (±0.00%)   | 16.508s (±0.00%)   | 32.637mb        | 32.637mb   |
| benchSave10000AggregatesTransaction () | 789.754ms (±0.00%) | 774.989ms (±0.00%) | 32.637mb        | 32.637mb   |
+----------------------------------------+--------------------+--------------------+-----------------+------------+

This comment gets update everytime a new commit comes in!