The arcticdb from man-group

Add the BSL header to all source files
Adding the BSL license text to the license/ directory

Debugging/toolbox usage notebook

Misc small docs improvements

- Link to arcticdb.com from first "ArcticDB" string on getting started page
- Version maps not compacted - say that accessing early versions when there are many will be slower than more recent versions, with compaction API coming soon
- Ability to change some lib config settings after lib creation time coming soon
- Get rid of LibraryConfiguration docs page and just link to LibraryOptions API docs
- Explanation of NaN handling
- Explanation of Categoricals handling
- Coming soon - compaction API (solves data is fragmented problem)

Remove thread local OpContext and pass arguments directly as parameters

The static thread_locals are potentially unpredictable in their order of initialization and destruction, and make the possible influences on the operation of a function indirect and hard to reason about. Replace this with normal parameter objects.

Expose dedup and snapshot dedup as library options

Update image on "History of ArcticDB" page with 2023, BBG deal, and first release

Apply LibraryOptions to lmdb libs (currently just S3)

Add documentation to repository

FAQ - Arrow integration timeline

Simplify symbol list caching logic

Increase Python Pickle protocol to 4

We currently have the pickle protocol set as 2 for Python 2 compat.

We should be able to increase to 4 as a performance improvement.

(See internal ticket RAP-6273).

GitHub Actions-based Build Tooling (Pull Requests)

Runs tests

Make the static key map static

It's a bit sad at the moment that we use a semimap but it's in a runtime context so it just reverts to std::unordered_map behaviour. Fix it so that it is genuinely compile-time.

Modify MongoClient to produce a runtime error when failing to read a segment

FAQ - Common error messages

This should include details on how to configure ArcticDB logging and errors, such as:

How to configure the different logging sink levels
How to configure the AWS SDK logging level
Information on how the Python logs relate to the C++ logs

GitHub Actions-based Build Tooling (Releases)

Wheel as artifact
Runs auditwheel
Ensure build exports debug symbols but builds in release mode
Test that a core dump can be retrieved from the release build, and debugged using the debug build
Ensure we can release off of GitHub

For the releases:

Only take place on release branches
Tag the release

Defragmentation/Compaction

Tasks

#33

Add refresh_symbol_list_cache method to Library

We need a way for people to dig themselves out of a corrupted symbol list, and the alternative is documenting something like lib._nvs.version_store._clear_symbol_list_cache()