docs: fix title and trezorlib readme link

By adding it to SUMMARY.md.

docs/SUMMARY.md

@@ -10,6 +10,7 @@
   - [Tests](core/tests/index.md)
 - [Legacy](legacy/index.md)
 - [Python](python/index.md)
+  - [trezorlib](python/trezorlib.md)
 - [Hardware](hardware/index.md)
   - [Model T](hardware/model-t/index.md)
     - [Boot stages](hardware/model-t/boot.md)

docs/book.toml

@@ -1,6 +1,6 @@
 [book]
-title = "Trezor Core"
-description = "Documentation of Trezor Core firmware."
+title = "Trezor Firmware"
+description = "Documentation of Trezor Firmware."
 src = "."
 
 [build]

docs/python/index.md

@@ -2,4 +2,4 @@
 
 To be documented by @matejcik, see [#229](https://github.com/trezor/trezor-firmware/issues/229).
 
-In the meantime see `python/docs` and [README](README.md) for the [PyPI package](https://pypi.org/project/trezor).
+In the meantime see `python/docs` and [README](trezorlib.md) for the [PyPI package](https://pypi.org/project/trezor).

python/README.md

@@ -3,9 +3,9 @@
 [![repology](https://repology.org/badge/tiny-repos/python:trezor.svg)](https://repology.org/metapackage/python:trezor) [![image](https://badges.gitter.im/trezor/community.svg)](https://gitter.im/trezor/community)
 
 Python library and command-line client for communicating with Trezor
-Hardware Wallet
+Hardware Wallet.
 
-See <https://trezor.io> for more information
+See <https://trezor.io> for more information.
 
 ## Install