build(pom.xml): jlink related configuration removed, value for 'mainClass' moved into shared parameter

docs(README): Section added about 'jDeepL' releases, including download url and latest version

docs(README): Section added how to build the code and run 'jDeepL'

docs: pom.xml version bumped, Changelogs generated for Release v0.7.4

fix: unused reuse commands removed from release.sh

chore: bump copyright year, adjust newlines in license headers

build: exclude temporary build files/folders from git

build: use jlink and shade to create fat jar

Some of the used libraries, like retrofit2, are non-modular.
Falling back to creating one large jar to package jDeepL.

deps: bump version of FXTrayIcon and retrofit2

build: bump gitlog plugin version, change scm url

docs(README): reuse urls changed, minor wording adjustments and typo fixes

docs: pom.xml version bumped, Changelogs generated for Release v0.7.2

docs(README): Initial version added

chore(CHANGELOG): License Header adjusted, detached license file added for CHANGELOG.json

feat(release.sh): Add spdx license header to CHANGELOG.json after generation, push to origin and mirror

build: release.sh added, triggers changelog generation, version bump and tagging

docs: pom.xml version bumped, Changelogs generated for Release v0.6.3

docs(CHANGELOG.md.mustache): License information added, avoid html escaping in commitURL

chore(gitignore): exclude gitlogBackup files

build: semantic-gitlog plugin added and configured