Add GDPR API call information links to R examples and .Renviron.example

- Included URL for GDPR compliance details in `.Renviron.example`, `AGENTS.md`, and R example scripts.
- Enhanced comments to guide users on EU region API usage.

Author: datalogics-kam

R/.Renviron.example

@@ -7,4 +7,5 @@ PDFREST_API_KEY=your_api_key_here
 # Optional: override base URL
 # For EU/GDPR or regional routing you may use:
 # PDFREST_URL=https://eu-api.pdfrest.com/
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 PDFREST_URL=https://api.pdfrest.com

R/AGENTS.md

@@ -76,6 +76,7 @@ Template:
 # - Set PDFREST_API_KEY=your_api_key_here
 # - Optional: set PDFREST_URL to override the API region. For EU/GDPR compliance and proximity, use:
 #     PDFREST_URL=https://eu-api.pdfrest.com
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 #
 # Usage:
 #   Rscript "<relative path to this file>" /path/to/input.pdf

R/Complex Flow Examples/merge-different-file-types.R

@@ -8,6 +8,7 @@
 # - Set PDFREST_API_KEY=your_api_key_here
 # - Optional: set PDFREST_URL to override the API region. For EU/GDPR compliance and proximity, use:
 #     PDFREST_URL=https://eu-api.pdfrest.com
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 #
 # Usage:
 #   Rscript "Complex Flow Examples/merge-different-file-types.R" /path/to/file1 /path/to/file2 [/path/to/file3 ...]

R/Endpoint Examples/JSON Payload/markdown.R

@@ -8,6 +8,7 @@
 # - Set PDFREST_API_KEY=your_api_key_here
 # - Optional: set PDFREST_URL to override the API region. For EU/GDPR compliance and proximity, use:
 #     PDFREST_URL=https://eu-api.pdfrest.com
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 #
 # Usage:
 #   Rscript "Endpoint Examples/JSON Payload/markdown.R" /path/to/input.pdf

R/Endpoint Examples/JSON Payload/rasterized-pdf.R

@@ -8,6 +8,7 @@
 # - Set PDFREST_API_KEY=your_api_key_here
 # - Optional: set PDFREST_URL to override the API region. For EU/GDPR compliance and proximity, use:
 #     PDFREST_URL=https://eu-api.pdfrest.com
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 #
 # Usage:
 #   Rscript "Endpoint Examples/JSON Payload/rasterized-pdf.R" /path/to/input.pdf

R/Endpoint Examples/Multipart Payload/markdown.R

@@ -8,6 +8,7 @@
 # - Set PDFREST_API_KEY=your_api_key_here
 # - Optional: set PDFREST_URL to override the API region. For EU/GDPR compliance and proximity, use:
 #     PDFREST_URL=https://eu-api.pdfrest.com
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 #
 # Usage:
 #   Rscript "Endpoint Examples/Multipart Payload/markdown.R" /path/to/input.pdf

R/Endpoint Examples/Multipart Payload/rasterized-pdf.R

@@ -8,6 +8,7 @@
 # - Set PDFREST_API_KEY=your_api_key_here
 # - Optional: set PDFREST_URL to override the API region. For EU/GDPR compliance and proximity, use:
 #     PDFREST_URL=https://eu-api.pdfrest.com
+# For more information visit https://pdfrest.com/pricing#how-do-eu-gdpr-api-calls-work
 #
 # Usage:
 #   Rscript "Endpoint Examples/Multipart Payload/rasterized-pdf.R" /path/to/input.pdf