Add deployment pipeline and clean up repo

- Add Dockerfile, docker-compose.yml, .dockerignore, .env (port 3842)
- Add Caddyfile.snippet for analytics gateway import pattern
- Add .gitea/workflows/deploy.yaml for act_runner SSH deploy
- Untrack sensitive/data files (SCPA xlsx, owners.rds)
- Add renv lockfile and infrastructure files
- Reorganize data-raw scripts and add SarasotaCounty boundary data
- Move www assets to www/images/, add docs PDFs

.gitignore

@@ -1,11 +1,32 @@
+# R
 .Rproj.user/
 .Rhistory
 .RData
-rsconnect/
-./data-raw/
-.DS_Store 
-.Rproj.user
 .Rdata
 .httr-oauth
+rsconnect/
+
+# renv (library is rebuilt from renv.lock — do not commit)
+renv/library/
+renv/staging/
+renv/local/
+renv/python/
+
+# macOS
 .DS_Store
-.quarto
+
+# Quarto
+.quarto/
+
+# Raw data (large files, sensitive property data, not reproducible via code alone)
+data-raw/property/
+data-raw/addresses/
+data-raw/geotagged_street_addresses.rds
+data-raw/epa/
+data-raw/uscb/
+
+# Derived data (rebuilt from data-raw via data-raw/main.R)
+data/owners.rds
+data/venice.rds
+data/venice_facts.rds
+data/beaches.rds