docs(spelling): Add codespell config + github action, run and fix a good number of typos (#3645)

platform/docs/docs/configuration/configurationFiles.md

@@ -117,7 +117,7 @@ Here are a list of some options available:
   decoding. Defaults to minimum of `navigator.hardwareConcurrency` and
   what is specified by `maxNumberOfWebWorkers`. Some windows machines require smaller values.
 - `acceptHeader` : accept header to request specific dicom transfer syntax ex : [ 'multipart/related; type=image/jls; q=1', 'multipart/related; type=application/octet-stream; q=0.1' ]
-- `requestTransferSyntaxUID` : Request a specific Tansfer syntax from dicom web server ex: 1.2.840.10008.1.2.4.80  (applyed only if acceptHeader is not set)
+- `requestTransferSyntaxUID` : Request a specific Tansfer syntax from dicom web server ex: 1.2.840.10008.1.2.4.80  (applied only if acceptHeader is not set)
 - `omitQuotationForMultipartRequest`: Some servers (e.g., .NET) require the `multipart/related` request to be sent without quotation marks. Defaults to `false`. If your server doesn't require this, then setting this flag to `true` might improve performance (by removing the need for preflight requests). Also note that
 if auth headers are used, a preflight request is required.
 - `maxNumRequests`: The maximum number of requests to allow in parallel. It is an object with keys of `interaction`, `thumbnail`, and `prefetch`. You can specify a specific number for each type.
@@ -178,7 +178,7 @@ if auth headers are used, a preflight request is required.
 - `dangerouslyUseDynamicConfig`: Dynamic config allows user to pass `configUrl` query string. This allows to load config without recompiling application. If the `configUrl` query string is passed, the worklist and modes will load from the referenced json rather than the default .env config. If there is no `configUrl` path provided, the default behaviour is used and there should not be any deviation from current user experience.<br/>
 Points to consider while using `dangerouslyUseDynamicConfig`:<br/>
   - User have to enable this feature by setting `dangerouslyUseDynamicConfig.enabled:true`. By default it is `false`.
-  - Regex helps to avoid easy exploit. Dafault is `/.*/`. Setup your own regex to choose a specific source of configuration only.
+  - Regex helps to avoid easy exploit. Default is `/.*/`. Setup your own regex to choose a specific source of configuration only.
   - System administrators can return `cross-origin: same-origin` with OHIF files to disallow any loading from other origin. It will block read access to resources loaded from a different origin to avoid potential attack vector.
   - Example config:
     ```js