feat!: change package name (#254)

- Change package name to `@gravity-ui/markdown-editor`
- Update package.json with actual info

package.json

@@ -1,7 +1,19 @@
 {
-  "name": "@doc-tools/yfm-editor",
+  "name": "@gravity-ui/markdown-editor",
   "version": "12.4.0",
-  "description": "YFM wysiwyg editor",
+  "description": "Markdown wysiwyg and markup editor",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/gravity-ui/markdown-editor"
+  },
+  "keywords": [
+    "yfm",
+    "wysiwyg",
+    "markdown",
+    "codemirror",
+    "prosemirror"
+  ],
   "scripts": {
     "start": "npm run storybook:start",
     "dev": "npm run storybook:start",
@@ -20,10 +32,6 @@
     "test:esbuild": "node tests/esbuild-test/esbuild-tester.js",
     "prepublishOnly": "npm run lint && npm run build"
   },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/yandex-cloud/yfm-editor"
-  },
   "exports": {
     ".": {
       "types": "./build/esm/index.d.ts",
@@ -133,13 +141,6 @@
   "files": [
     "build"
   ],
-  "keywords": [
-    "yfm",
-    "wysiwyg",
-    "prosemirror"
-  ],
-  "author": "Data UI Team <data-ui@yandex-team.ru>",
-  "license": "MIT",
   "dependencies": {
     "@bem-react/classname": "^1.6.0",
     "@bem-react/classnames": "1.3.10",