Fixes and additions to group endpoints

• dependabot: lodash-4.17.21 959329d
• dependabot: hosted-git-info-2.8.9 0045301
• dependabot: glob-parent-5.1.2 cacb1fd
• dependabot: ws-7.5.5 797637d
• chore: updated dependencies 09e7a5b
• chore: updated deep dependencies e598a01
• Merge branch 'master' of github.com:zygos/mailerlite-api-v2-node df4cad5
• Bump ws from 7.3.1 to 7.5.5 92515ba
• Merge pull request #24 from ImErvin/new/search-group d48c1b8
• chore: updated dependencies 28bc08b
• Added search group fn with readme & test 3e48327
• Merge pull request #17 from fmilioni/master ed6b912
• Bump glob-parent from 5.1.1 to 5.1.2 b5074ed
• Bump hosted-git-info from 2.8.8 to 2.8.9 e81b628
• Bump lodash from 4.17.20 to 4.17.21 f8c841f
• fix: params missing in getGroupSubscribers c7f8da9

v1.1.2...v1.2.0

v1.1.2

• chore: added MailerLiteGroup type and group requests tests ba6d02d
• chore: updated dependencies 8eb5807

v1.1.1...v1.1.2

v1.1.1

• fix: fixed undefined CampaignAction type e8575ba

v1.1.0...v1.1.1

v1.1.0

• chore: updated dependencies e040394
• chore: for consistency, await all axios Promises, so they are included in stacktrace
• fix: SubscriberFields typo 290dfb3
• fix: unnecessarily required city, company fields in SubscriberFields 290dfb3

v1.0.2...v1.1.0

v1.0.2

• Merge pull request #7 from PCianes/master b0a87a5
• Merge pull request #1 from PCianes/PCianes-createCampaign-patch-1 e75e424
• createCampaign with groups or segments 76b8d25

v1.0.1...v1.0.2

v1.0.1

• Fix: unresolved typescript types ce01f06

v1.0.0...v1.0.1

v1.0.0

• Chore: updated @types/node and typescript dependencies f45ee7f
• Feature: Added removeSubscriber ca8e3ab
• [BREAKING] Fix: functions name typos 9e447af

v0.2.3...v1.0.0

v0.2.3

• Chore: updated dependencies d2d69aa
• Fix: groups path on group creation b852075
• Added .default to the require statement 1166662

v0.2.2...v0.2.3

v0.2.2

• Explicit Promise await f6db43f

v0.2.1...v0.2.2

v0.2.0

• Updated build process 133f588
• Added npm package details 38df8e8
• Updated README 8822daa

336f7c0...v0.2.0