chore: Installation Directory

Using `INSTALL_DIR` to specify the installation directory, by default
`/usr/local/bin`.

Makefile

@@ -16,6 +16,8 @@ E2E_DIR ?= test/e2e
 E2E_TEST_GLOB ?= *.bats
 E2E_TESTS = $(E2E_DIR)/$(E2E_TEST_GLOB)
 
+INSTALL_DIR ?= /usr/local/bin
+
 ARGS ?=
 
 .EXPORT_ALL_VARIABLES:
@@ -32,7 +34,7 @@ run:
 	go run $(CMD) $(ARGS)
 
 install: build
-	install -m 0755 $(BIN) $(GOPATH)/bin/
+	install -m 0755 $(BIN) $(INSTALL_DIR)/$(APP)
 
 .PHONY: clean
 clean:

README.md

@@ -34,10 +34,10 @@ To install `path-helper` you can simply `go install`, as per:
 go install github.com/otaviof/path-helper/cmd/path-helper@latest
 ```
 
-Alternatively, you can run the following target in the project folder:
+Alternatively, you can run the following target in the project folder, `sudo` might be required for completion.
 
 ```bash
-make install
+make install INSTALL_DIR="/usr/local/bin"
 ```
 
 ## Usage Examples