build: create separate makefile target for development install

CONTRIBUTING.md

@@ -60,7 +60,7 @@ The following steps are tested on an Ubuntu system.
 
     ```bash
     $ make system-deps  # intended to be used on Ubuntu (Debian). Let us know if you have a different OS.
-    $ make install
+    $ make install_dev
     ```
 
 4. Create a new branch with an informative name for your goal.

Makefile

@@ -1,5 +1,5 @@
 .DEFAULT_GOAL := help
-.PHONY: test system-deps dev-deps deps style lint install help docs
+.PHONY: test system-deps dev-deps deps style lint install install_dev help docs
 
 help:
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
@@ -74,7 +74,10 @@ hub-deps:  ## install deps for torch hub use
 deps:	## install 🐸 requirements.
 	pip install -r requirements.txt
 
-install:	## install 🐸 TTS for development.
+install:	## install 🐸 TTS
+	pip install -e .[all]
+
+install_dev:	## install 🐸 TTS for development.
 	pip install -e .[all,dev]
 	pre-commit install
 

dockerfiles/Dockerfile.dev

@@ -40,4 +40,4 @@ RUN pip install \
 COPY . /root
 
 # Installing the TTS package itself:
-RUN make install
+RUN make install_dev

docs/source/installation.md

@@ -26,7 +26,12 @@ This is recommended for development and more control over 🐸TTS.
 git clone https://github.com/idiap/coqui-ai-TTS
 cd coqui-ai-TTS
 make system-deps  # only on Linux systems.
+
+# Install package and optional extras
 make install
+
+# Same as above + dev dependencies and pre-commit
+make install_dev
 ```
 
 ## On Windows