Adds wordlist for spellchecker

wordlist.txt

+28T10
+28T11
+FDP
+csv
+sep
+url
+orthometric
+Orthoimages
+orthoimages
+orthoimage
+orthomosaic
+orthomosaics
+planimetrically
+georeferencing
+DN
+IAU
+DTM
+framelets
+PDS
+PSDI
+PSDIs
+MOLA
+lidar
+geospatial
+bibtex
+photogrammetric
+photogrammetrically
+intra
+Orthorectified
+orthorectified
+planimetric
+unrectified
+Geospatially
+geospatially
+geoid
+geoids
+geopotential
+findable
+Weinberger
+discoverability
+discoverable
+FAIRly
+Aizu
+Ryugu
+SPC
+photoclinometric
+SfM
+et
+al
+Arrokoth
+Altimieter
+Barnouin
+Bennu
+Stereoscopically
+Schenk
+Cassini
+Mouélic
+VIMS
+Corlies
+SAR
+Topo
+DEMs
+Zebker
+USGS
+LORRI
+Tortora
+Dione
+Zannoni
+Enceladus
+Iess
+Mimas
+Supermosaic
+AGU
+Photoclinometry
+photoclinometry
+CTX
+Sidiropoulos
+UCL
+CaSSIS
+SBMT
+DLR
+Oberst
+Henriksen
+LROC
+NAC
+LMMP
+Nunes
+Fassett
+CSA
+GRAS
+JAXA
+15T10
+LRO
+