Add CHANGELOG for v1.8.0 ISS: #381

Project: ggpop Date: 22-June-2026 1:50 PM PT
Branch: main
Version: N/A

CHANGELOG.md:
New changelog file documenting all v1.8.0 changes
No CHANGELOG existed in the repo before this release
Provides a structured audit trail for CRAN and contributors

Update getting-started.qmd

Update .Rbuildignore

Merge pull request #264 from jurjoroa/Dev

Release ggpop v1.6.1

Merge pull request #235 from jurjoroa/Dev

Release ggpop v1.6.0

Merge pull request #210 from jurjoroa/Dev

Release ggpop v1.5.1

Merge pull request #185 from jurjoroa/Dev

Merge ggpop 1.5.0

Merge pull request #160 from jurjoroa/159-fix-export-function

Update draw_key.R

Merge pull request #150 from jurjoroa/Dev

ggpop v1.4.0 release version

Merge pull request #145 from jurjoroa/Dev

ggpop v1.3.1 release version