Fix typos and unclear wording

[imjoehaines]

Goal

Fixes a bunch of typos and unclear wording found when testing tool

Each is fixed in a separate commit, so may be easier to review that way

Uploading browser source map for "" should possibly be Preparing upload of browser source map for "", as we don’t initiate the upload til later. When an error occurs after this info, it’s not clear if the upload has partially completed.

Missing space in incompatible options error message

› Found 2 source map:
map needs pluralization (e.g. soure map(s)) when > 1 map found.

When uploading with the directory option, the success message says
✔ Success, uploaded bundle_b.js.map to https://upload.bugsnag.com/source-map in 555ms
but I assume the bundle was also uploaded because it does read it (above log was › Reading bundle file "bundle_b.js"). Maybe the success message should say uploaded map x & bundle y ?

In this error message:
ERROR --code-bundle-id or at least one of --app-version, --app-version-code and --app-bundle-version must be given
The and should be an or. Shouldn’t be possible to give a version code and bundle version.

Missing --source-map and --fetch: returns error:
ERROR --source-map is a required
maybe we should add “--source-map or --fetch” as required parameters?

^ For this one I changed it to --fetch or both --source-map and --bundle are required parameters as both --source-map and `--bundle1 are required

Typo in “Recieved”:
ERROR Recieved an error from the server.

› Initiating upload "https://upload.bugsnag.com/react-native-source-map" reads strangely. May be better as:
› Initiating upload to "https://upload.bugsnag.com/react-native-source-map" to make it a little clearer.

[bengourley]

All good except one error message I think could be clearer.