Merge branch 'knopkiwg-master-patch-22440' into 'master'

Add tsconfig.json

See merge request !110
1 job for master in 9 seconds (queued for 3 seconds)
Name Stage Failure
failed
deploy-master Deploy
functions/methods.js(178,53): error TS8010: Type annotations can only be used in TypeScript files.
functions/methods.js(189,40): error TS8010: Type annotations can only be used in TypeScript files.
functions/methods.js(191,22): error TS8010: Type annotations can only be used in TypeScript files.
functions/methods.js(203,34): error TS8010: Type annotations can only be used in TypeScript files.
functions/methods.js(203,48): error TS8010: Type annotations can only be used in TypeScript files.
functions/methods.js(204,80): error TS8010: Type annotations can only be used in TypeScript files.
functions/methods.js(211,1): error TS8003: 'export =' can only be used in TypeScript files.
Cleaning up file based variables
ERROR: Job failed: exit status 1