[SlateEditor] Introduce md serializer

[dimaanj]

Summary

• Adds new md serializer / deserializer and example for it
• Forks remark-slate
• Fix delayed placeholder Apply placeholder delay only on Android devices ianstormtaylor/slate#5564
• Fix react keys console error

[github-actions]

Generated by: track-bundle-size
Generated at: Fri, 15 Mar 2024 13:36:12 GMT
Bundle size diff (in kBytes). Not gzipped. Both CSS & JS included.
Baseline: v5.6.1 (2024-03-05)
CI Status: ok

Module	Baseline Size (v5.6.1)	Size	Diff	Within Threshold	Threshold (min - max)
templateApp	1041.48	1043.32	+1.84 js:+1.18 css:+0.66	🆗	937.33 - 1145.63
@epam/app	6402.7	6585.74	+183.04 js:+182.25 css:+0.79	🆗	5762.42 - 7042.96
@epam/draft-rte	53.77	53.77	0 js:0 css:+0	🆗	48.39 - 59.15
@epam/electric	4.46	4.46	0 js:0 css:0	🆗	4.02 - 4.91
@epam/promo	55.29	55.1	-0.18 js:+0 css:-0.18	🆗	49.75 - 60.81
@epam/uui-extra	0.21	0.21	0 js:0 css:0	🆗	0.19 - 0.23
@epam/loveship	101.41	101.15	-0.25 js:0 css:-0.25	🆗	91.27 - 111.55
@epam/uui-components	269.68	271.27	+1.6 js:+1.52 css:+0.08	🆗	242.71 - 296.64
@epam/uui-core	273.65	274.17	+0.51 js:+0.51 css:0	🆗	246.29 - 301.02
@epam/uui-db	42.31	42.31	0 js:0 css:0	🆗	38.08 - 46.54
@epam/uui-docs	174.98	169.27	-5.7 js:-5.19 css:-0.51	🆗	157.47 - 192.47
@epam/uui-editor	157.65	167.87	+10.23 js:+10.39 css:-0.16	🆗	141.89 - 173.42
@epam/uui-timeline	47.19	47.19	+0 js:+0 css:0	🆗	42.47 - 51.91
@epam/uui	580.2	581.58	+1.38 js:+0.8 css:+0.58	🆗	522.18 - 638.23

new sizes (raw)

To set the sizes as a new baseline, you can copy/paste next content to the uui-build/config/bundleSizeBaseLine.json and commit the file.

{
  "version": "5.6.2",
  "timestamp": "2024-03-15",
  "sizes": {
    "templateApp": {
      "css": 284617,
      "js": 783739
    },
    "@epam/app": {
      "css": 1615192,
      "js": 5128601
    },
    "@epam/draft-rte": {
      "css": 9760,
      "js": 45301
    },
    "@epam/electric": {
      "css": 2275,
      "js": 2298
    },
    "@epam/promo": {
      "css": 40380,
      "js": 16044
    },
    "@epam/uui-extra": {
      "css": 0,
      "js": 213
    },
    "@epam/loveship": {
      "css": 49442,
      "js": 54142
    },
    "@epam/uui-components": {
      "css": 22214,
      "js": 255572
    },
    "@epam/uui-core": {
      "css": 0,
      "js": 280745
    },
    "@epam/uui-db": {
      "css": 0,
      "js": 43327
    },
    "@epam/uui-docs": {
      "css": 3092,
      "js": 170244
    },
    "@epam/uui-editor": {
      "css": 12774,
      "js": 159134
    },
    "@epam/uui-timeline": {
      "css": 2252,
      "js": 46073
    },
    "@epam/uui": {
      "css": 273126,
      "js": 322415
    }
  }
}

---

Generated by: generate-components-api
CI Status: ok

Total amount of exported types/props without JSDoc comments

	Amount
Types	279 (+0) 🆗
Props	290 (+0) 🆗