Expand en_GB->en_US dictionary

Also add missing misspellings /milimet(re|er)s?/ -> /millimet(re|er)s?/

codespell_lib/data/dictionary.txt

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 76635af..51a5931 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -15654,7 +15654,10 @@
 mileu->milieu
 miliary->military
 miligram->milligram
+milimeter->millimeter
 milimeters->millimeters
+milimetre->millimetre
+milimetres->millimetres
 milimiters->millimeters
 milion->million
 miliraty->military

codespell_lib/data/dictionary_en-GB_to_en-US.txt

diff --git a/codespell_lib/data/dictionary_en-GB_to_en-US.txt b/codespell_lib/data/dictionary_en-GB_to_en-US.txt
index 3b21d04..7fe6e41 100644
--- a/codespell_lib/data/dictionary_en-GB_to_en-US.txt
+++ b/codespell_lib/data/dictionary_en-GB_to_en-US.txt
@@ -1,3 +1,82 @@
+amortised->amortized
+analyse->analyze
+analysed->analyzed
+analyser->analyzer
+analysers->analyzers
+analyses->analyzes
+analysing->analyzing
+artefact->artifact
+artefacts->artifacts
+behaviour->behavior
+cancellation->cancelation
+cancelled->canceled
+cancelling->canceling
+capitalise->capitalize
+catalogue->catalog
+centimetre->centimeter
+centimetres->centimeters
+centralise->centralize
+centre->center
+characterised->characterized
+colour->color
+colouring->coloring
+colours->colors
+counsellor->counselor
+criticised->criticized
+customisable->customizable
+customising->customizing
+dialogue->dialog
+digitise->digitize
+digitising->digitizing
+emphasised->emphasized
+flavour->flavor
+flavours->flavors
+initialisation->initialization
+initialise->initialize
+initialised->initialized
+initialises->initializes
+initialising->initializing
+kilometre->kilometer
+kilometres->kilometers
+labelled->labeled
+labelling->labeling
+labour->labor
+licence->license
+licenced->licensed
+licencing->licensing
+manoeuvering->maneuvering
+manoeuvre->maneuver
+manoeuvres->maneuvers
+memorise->memorize
+metre->meter
+metres->meters
+millimetre->millimeter
+millimetres->millimeters
 minimise->minimize
+minimising->minimizing
 mitre->miter
 mould->mold
+organisation->organization
+parallelising->parallelizing
+parallelled->paralleled
+parallelling->paralleling
+parametrise->parametrize
+prioritise->prioritize
+prioritising->prioritizing
+proveable->provable
+rasterisation->rasterization
+rasterise->rasterize
+realise->realize
+resizeable->resizable
+sanitisation->sanitization
+sanitised->sanitized
+serialisation->serialization
+serialise->serialize
+specialise->specialize
+specialised->specialized
+uninitialised->uninitialized
+utilise->utilize
+utilised->utilized
+vectorisation->vectorization
+vectorise->vectorize
+writeable->writable