Feature
* **config:** Add version_pattern for semantic release ([`872f6ec`](https://github.com/entelecheia/course-template/commit/872f6ecd1aa72e2d1b8f9f0292b09e6884e182d1))
* **config:** Enable build and release ([`307b92c`](https://github.com/entelecheia/course-template/commit/307b92c2e16f0adb768bca3c2c5d09e27907e054))
* **makefile:** Add target to remove template-specific files ([`26cd88d`](https://github.com/entelecheia/course-template/commit/26cd88df39cc251b4924d683158eef08d71e4f5c))
* **copier-config:** Update analytics ID, codecov, and descriptions; enable upload options and source code skeleton ([`8552ecf`](https://github.com/entelecheia/course-template/commit/8552ecfdecf5fcb7e1f56d51e9dd6ad1c9bc9a0f))
* **book:** Add 'About' section with external link ([`6d1ca6b`](https://github.com/entelecheia/course-template/commit/6d1ca6b8aa7fca64cd6bca6d7077acde37dc7aca))
* **.envrc:** Add project setup and activation script ([`17f24a0`](https://github.com/entelecheia/course-template/commit/17f24a0bb5fe318628518cbb1b4c666642875b8d))
* **book:** Add chat widget to footer ([`92b25ca`](https://github.com/entelecheia/course-template/commit/92b25caeeef4b020fdd08e501767ced833036a06))
* **book:** Add chat.js ([`78cf766`](https://github.com/entelecheia/course-template/commit/78cf766031112afbc592c6352df74f42e465f034))
* **README:** Add new badges links ([`f5a2a66`](https://github.com/entelecheia/course-template/commit/f5a2a66ce36e46785b44854e224ebeb75f8486b7))
* **book:** Add new chapters and sections to syllabus ([`b97de8b`](https://github.com/entelecheia/course-template/commit/b97de8b6c52cd8280a52894a5d365cd3ec86da74))
* **.copier-config.yaml:** Create new template config file ([`55d1569`](https://github.com/entelecheia/course-template/commit/55d1569d9de3760d65eb9bd81e8c48310e5195b8))