include node_modules so release .zip is deployable

node_modules/ext/docs/string_/camel-to-hyphen.md

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+# `string.camelToHyphen()` _(ext/string\_/camel-to-hyphen)_
+
+Convert camelCase string to hyphen separated, e.g. `oneTwoThree` into `one-to-three`. Useful when converting names from js property convention into filename convention.
+
+```javascript
+const camelToHyphen = require("ext/string_/camelToHyphen");
+
+camelToHyphen.call("razDwaTrzy"); // raz-dwa-trzy
+```

node_modules/ext/docs/string_/capitalize.md

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+# `string.capitalize()` _(ext/string\_/capitalize)_
+
+Capitalize input string, e.g. convert `this is a test` into `This is a test`.
+
+```javascript
+const capitalize = require("ext/string_/capitalize");
+
+capitalize.call("this is a test"); // This is a test
+```

node_modules/ext/docs/string_/includes.md

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+# `string.includes(position = 0)` _(ext/string\_/includes)_
+
+`includes` method for strings. Resolve native [includes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes) if implemented, otherwise fallback to shim implementation.
+
+```javascript
+const includes = require("ext/string_/includes");
+
+includes.call("razdwa", "raz"); // true
+includes.call("razdwa", "trzy"); // false
+```