chore: remove unused packages; added prettier-plugin-sentences-per-line

Author: JoshuaKGoldberg

.github/CODE_OF_CONDUCT.md

@@ -60,7 +60,7 @@ representative at an online or offline event.
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
 reported to the community leaders responsible for enforcement at
-git@joshuakgoldberg.com.
+contact@squiggleconf.com.
 All complaints will be reviewed and investigated promptly and fairly.
 
 All community leaders are obligated to respect the privacy and security of the
@@ -78,29 +78,31 @@ unprofessional or unwelcome in the community.
 
 **Consequence**: A private, written warning from community leaders, providing
 clarity around the nature of the violation and an explanation of why the
-behavior was inappropriate. A public apology may be requested.
+behavior was inappropriate.
+A public apology may be requested.
 
 ### 2. Warning
 
 **Community Impact**: A violation through a single incident or series of
 actions.
 
-**Consequence**: A warning with consequences for continued behavior. No
-interaction with the people involved, including unsolicited interaction with
-those enforcing the Code of Conduct, for a specified period of time. This
-includes avoiding interactions in community spaces as well as external channels
-like social media. Violating these terms may lead to a temporary or permanent
-ban.
+**Consequence**: A warning with consequences for continued behavior.
+No interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time.
+This includes avoiding interactions in community spaces as well as external
+channels like social media.
+Violating these terms may lead to a temporary or permanent ban.
 
 ### 3. Temporary Ban
 
 **Community Impact**: A serious violation of community standards, including
 sustained inappropriate behavior.
 
 **Consequence**: A temporary ban from any sort of interaction or public
-communication with the community for a specified period of time. No public or
-private interaction with the people involved, including unsolicited interaction
-with those enforcing the Code of Conduct, is allowed during this period.
+communication with the community for a specified period of time.
+No public or private interaction with the people involved, including unsolicited
+interaction with those enforcing the Code of Conduct, is allowed during this
+period.
 Violating these terms may lead to a permanent ban.
 
 ### 4. Permanent Ban
@@ -122,7 +124,8 @@ Community Impact Guidelines were inspired by
 [Mozilla's code of conduct enforcement ladder][mozilla coc].
 
 For answers to common questions about this code of conduct, see the FAQ at
-[https://www.contributor-covenant.org/faq][faq]. Translations are available at
+[https://www.contributor-covenant.org/faq][faq].
+Translations are available at
 [https://www.contributor-covenant.org/translations][translations].
 
 [homepage]: https://www.contributor-covenant.org

.prettierrc.json

@@ -4,6 +4,7 @@
 	"plugins": [
 		"prettier-plugin-astro",
 		"prettier-plugin-curly",
+		"prettier-plugin-sentences-per-line",
 		"prettier-plugin-packagejson"
 	],
 	"useTabs": true

package.json

@@ -48,14 +48,12 @@
 		"@eslint-community/eslint-plugin-eslint-comments": "^4.6.0",
 		"@eslint/js": "^9.39.2",
 		"@eslint/markdown": "^7.5.1",
-		"@types/eslint-plugin-markdown": "^2.0.2",
 		"@types/lodash": "^4.17.23",
 		"@types/node": "^25.0.10",
 		"cspell": "^9.6.0",
 		"eslint": "^9.39.2",
 		"eslint-plugin-jsdoc": "^62.4.1",
 		"eslint-plugin-jsonc": "^2.21.0",
-		"eslint-plugin-markdown": "^5.1.0",
 		"eslint-plugin-n": "^17.23.2",
 		"eslint-plugin-package-json": "^0.88.2",
 		"eslint-plugin-perfectionist": "^5.4.0",
@@ -65,13 +63,11 @@
 		"jsonc-eslint-parser": "^2.4.2",
 		"knip": "^5.82.1",
 		"lint-staged": "^16.2.7",
-		"markdownlint": "^0.40.0",
-		"markdownlint-cli": "^0.47.0",
 		"prettier": "^3.8.1",
 		"prettier-plugin-astro": "0.14.1",
 		"prettier-plugin-curly": "^0.4.1",
 		"prettier-plugin-packagejson": "^3.0.0",
-		"sentences-per-line": "^0.5.0",
+		"prettier-plugin-sentences-per-line": "^0.2.0",
 		"tsup": "^8.5.1",
 		"typescript": "^5.9.3",
 		"typescript-eslint": "^8.53.1"