Close-future enhancements for the project

[MrSidims]

General:

• Address minor lint/security issues (exceptions etc). Details: Check and fix (if appropriate) security reports #12
  PRs:
  [NFC] Fix few lint issues #14
  [NFC] Address lint complains about exceptions handling #16

• Address major lint/security issues (not validating args and user code before execution)
  Comment: currently it's recommended to launch the app in the container if you don't trust test inputs for your experiments;

• Introduce requirements.txt

• Add possibility to switch between tools versions (aka multiple versions of requirements.txt)

• Add possibility to use remotely placed compiler binaries
  PR: Improve remote backend execution #33

Docs

• Add integration guides (for user-built frontend/backend)
  PR: [DOC] Add integration guide and pytorch lowering details #28

• Add lowering implementation details doc
  PR: [DOC] Add integration guide and pytorch lowering details #28

• Add user manual and update README with installation guides

UI:

• Split toolbar to predefined toolbar and text cmd input
  PR:
  [UI] Tweak opt tool bar a bit #17

• Add support for multiple sources - each with its instance of the explorer
  PRs:
  [UI] Add source code tabs #21
  [UI] Add ability to close source tabs #23

• Add IR exploration on click for each node of the custom compilation pipeline
  PR: [UI] Add explore at stage button #25

• Propagate backend errors to UI
  PR: [UI] Propagate backend errors to the frontend #20 <- note, it brought yet another lint concern, which I have ignored

• Add ability to store local sessions
  PR: [UI] Add ability to store user sessions #27

(mostly) Backend:

• Finalize Triton support - it shouldn't be dumps of IR after execution controlled by debug env variables

• Add Triton support for AMDGPU

• Add Triton support for Intel XPU

Other:

• Re-introduce linters and formaters to pre-commit