refactor: rely on the llmR package for LLM interaction

Removed the llm related functions since they will be provided by the llmR package

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: minutemaker
 Title: GenAI-based meeting and conferences minutes generator
-Version: 0.10.0
+Version: 0.11.0
 Authors@R: 
     person("Angelo", "D'Ambrosio", , "a.dambrosioMD@gmail.com", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0002-2045-5155"))
@@ -11,6 +11,7 @@ Imports:
     dplyr (>= 1.1.4),
     httr (>= 1.4.7),
     jsonlite (>= 1.8.8),
+    llmR (>= 1.1.0),
     lubridate (>= 1.9.3),
     purrr (>= 1.0.2),
     readr (>= 2.1.4),
@@ -19,10 +20,12 @@ Imports:
     styler (>= 1.10.2),
     tools (>= 4.3.2),
     vctrs (>= 0.6.5)
+Remotes: 
+    github::bakaburg1/llmR
 Config/testthat/edition: 3
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.3.1
+RoxygenNote: 7.3.2
 Suggests: 
     av (>= 0.9.0),
     devtools (>= 2.4.5),

NAMESPACE

@@ -13,7 +13,6 @@ export(infer_agenda_from_transcript)
 export(merge_transcripts)
 export(parse_transcript_json)
 export(perform_speech_to_text)
-export(prompt_llm)
 export(run_in_terminal)
 export(set_prompts)
 export(speech_to_summary_workflow)
@@ -23,5 +22,4 @@ export(summarise_transcript)
 export(validate_agenda)
 import(dplyr)
 importFrom(stats,setNames)
-importFrom(utils,hasName)
 importFrom(utils,tail)