docs: refresh release documentation for v0.7.13

[subzeroid]

Summary

• document hikerapi setup naming and HikerAPI token link in README/docs
• add aiograpi install/reinstall troubleshooting for pipx and uv tool users
• refresh contributor/security/architecture docs for current CI, coverage floor, and release version
• sync uv.lock editable package version to 0.7.13

Verification

• uv run --extra docs mkdocs build --strict --site-dir /tmp/insto-mkdocs.*
• uv lock --check
• git diff --check