Move more app files to app package

[collijk]

Background

We moved a bunch of application files to an application subpackage in #5026. This continues on that path.

Changes

• autogpt.spinner.py -> autogpt.app.spinner.py
• autogpt.utils.batch -> autogpt.processing.text.batch
• autogpt.utils.clean_input -> autogpt.app.utils.clean_input
• Remove unused autogpt.utils.readable_file_size
• autogpt.utils.clean_input -> autogpt.app.utils.clean_input
• autogpt.utils.get_bulletin_from_web -> autogpt.app.utils.get_bulletin_from_web
• autogpt.utils.get_current_git_branch -> autogpt.app.utils.get_current_git_branch
• autogpt.utils.get_latest_bulletin -> autogpt.app.utils.get_latest_bulletin
• autogpt.utils.markdown_to_ansi_style -> autogpt.app.utils.markdown_to_ansi_style
• autogpt.utils.get_legal_warning -> autogpt.app.utils.get_legal_warning

Documentation

X

Test Plan

CI

PR Quality Checklist

• My pull request is atomic and focuses on a single change.
• I have thoroughly tested my changes with multiple different prompts.
• I have considered potential risks and mitigations for my changes.
• I have documented my changes clearly and comprehensively.
• I have not snuck in any "extra" small tweaks changes.
• I have run the following commands against my code to ensure it passes our linters:

  black .
  isort .
  mypy
  autoflake --remove-all-unused-imports --recursive --ignore-init-module-imports --ignore-pass-after-docstring autogpt tests --in-place

[netlify]

❌ Deploy Preview for auto-gpt-docs failed.

Name	Link
🔨 Latest commit	33b44dc
🔍 Latest deploy log	https://app.netlify.com/sites/auto-gpt-docs/deploys/64c93e6e19f9ff00086fd8eb

[codecov]

Codecov Report

Patch coverage: 58.13% and project coverage change: -0.04% ⚠️

Comparison is base (7cd407b) 51.95% compared to head (33b44dc) 51.91%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5036      +/-   ##
==========================================
- Coverage   51.95%   51.91%   -0.04%     
==========================================
  Files         116      117       +1     
  Lines        4987     4981       -6     
  Branches      671      669       -2     
==========================================
- Hits         2591     2586       -5     
  Misses       2198     2198              
+ Partials      198      197       -1     

Files Changed	Coverage Δ
autogpt/app/spinner.py	97.36% <ø> (ø)
autogpt/processing/text.py	32.72% <20.00%> (-1.24%)	⬇️
autogpt/app/utils.py	58.44% <58.44%> (ø)
autogpt/app/main.py	43.43% <100.00%> (ø)
autogpt/app/setup.py	73.41% <100.00%> (ø)
autogpt/utils.py	100.00% <100.00%> (+37.75%)	⬆️

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