[#1] Setup mono-repo

.browserslistrc

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+[modern]
+last 1 chrome version
+last 1 edge version
+last 1 firefox version
+last 1 safari version
+node 14
+
+# Default/Fallback
+# `npx browserslist --mobile-to-desktop "> 0.5%, last 2 versions, Firefox ESR, not dead, not IE 11"` when the last major is released.
+# Manually downgrading to ios_saf 12.4 for iPhone 6 and webpack 4 support.
+# On update, sync references where "#stable-snapshot" is mentioned in the codebase.
+[stable]
+and_chr 91
+and_ff 89
+and_qq 10.4
+and_uc 12.12
+android 91
+baidu 7.12
+chrome 90
+edge 91
+firefox 78
+# 12.4 but 12.2-12.5 are treated equally in caniuse-lite.
+# Though caniuse-lite does not supporting finding an exact version in a range which is why `12.4` would result in "Unknown version 12.4 of ios_saf"
+ios_saf 12.2
+kaios 2.5
+op_mini all
+op_mob 73
+opera 76
+safari 14
+samsung 13.0
+
+# Same as `stable` but with IE 11
+[legacy]
+ie 11
+and_chr 91
+and_ff 89
+and_qq 10.4
+and_uc 12.12
+android 91
+baidu 7.12
+chrome 90
+edge 91
+firefox 78
+ios_saf 12.2
+kaios 2.5
+op_mini all
+op_mob 73
+opera 76
+safari 14
+samsung 13.0
+
+# snapshot of `npx browserslist "maintained node versions"`
+# On update check all #stable-snapshot markers
+[node]
+node 12.0
+
+# same as `node`
+[coverage]
+node 12.0
+
+# same as `node`
+[development]
+node 12.0
+
+# same as `node`
+[test]
+node 12.0
+
+# same as `node`
+[benchmark]
+node 12.0

.editorconfig

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+# EditorConfig is awesome: https://editorconfig.org/
+
+# top-most EditorConfig file
+root = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.js]
+trim_trailing_whitespace = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true
+max_line_length = 100

.eslintignore

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+/.git
+/.yarn
+/benchmark/**/dist
+/coverage
+/tmp
+.next
+build
+node_modules
+.nyc_output