Netqasm

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- Updated versions of dependencies to prevent installation conflicts.

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- Refactored SDK code
- Added `loop_until` context to SDK
- Added `min_fidelity_all_at_end` EPR generation parameter
- Added explicity `create_keep`, `create_measure` and `create_rsp` methods (and similar for `recv_`) to `EPRSocket`.
The old `create` and `recv` methods are deprecated.
- Added builder tests
- Applied formatting on examples

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- Explicitly use MIT license
- Reformat some imports for better autodocgen

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- Fixed bug in Bloch sphere representation calculation.

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- Updated QKD app config.

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- Added QNE-specific apps to `netqasm/examples/qne_apps`.