Cleanup (#879)

* remove obsolete files

* update readme

Makefile

@@ -1,35 +0,0 @@
-##@ General
-
-# The help target prints out all targets with their descriptions organized
-# beneath their categories. The categories are represented by '##@' and the
-# target descriptions by '##'. The awk commands is responsible for reading the
-# entire set of makefiles included in this invocation, looking for lines of the
-# file as xyz: ## something, and then pretty-format the target and help. Then,
-# if there's a line with ##@ something, that gets pretty-printed as a category.
-# More info on the usage of ANSI control characters for terminal formatting:
-# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters
-# More info on the awk command:
-# http://linuxcommand.org/lc3_adv_awk.php
-
-.PHONY: help
-help: ## Display this help.
-	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
-
-
-##@ Development
-
-.PHONY: test
-TEST_ARGS ?= -v
-TEST_TARGETS ?= ./...
-test: ## Test the Go modules within this package.
-	@ echo ▶️ go test $(TEST_ARGS) $(TEST_TARGETS)
-	go test $(TEST_ARGS) $(TEST_TARGETS)
-	@ echo ✅ success!
-
-
-.PHONY: lint
-LINT_TARGETS ?= ./...
-lint: ## Lint Go code with the installed golangci-lint
-	@ echo "▶️ golangci-lint run"
-	golangci-lint run $(LINT_TARGETS)
-	@ echo "✅ golangci-lint run"

README.md

@@ -5,7 +5,7 @@
 
 This library provides unofficial Go clients for [OpenAI API](https://platform.openai.com/). We support: 
 
-* ChatGPT
+* ChatGPT 4o, o1
 * GPT-3, GPT-4
 * DALL·E 2, DALL·E 3
 * Whisper