Installation Docs Updates (#671)

A few tweaks

README.md

@@ -78,7 +78,7 @@ For more complex changes (e.g. running with your own data/ setting up a new NeRF
 We recommend using conda to manage dependencies. Make sure to install [Conda](https://docs.conda.io/en/latest/miniconda.html) before preceding.
 
 ```bash
-conda create --name nerfstudio -y python=3.8;
+conda create --name nerfstudio -y python=3.8
 conda activate nerfstudio
 python -m pip install --upgrade pip
 ```
@@ -105,6 +105,7 @@ If you would want the latest and greatest:
 ```bash
 git clone git@github.com:nerfstudio-project/nerfstudio.git
 cd nerfstudio
+pip install --upgrade pip setuptools
 pip install -e .
 ```
 

docs/quickstart/installation.md

@@ -34,8 +34,8 @@ pip install nerfstudio
 ```bash
 git clone git@github.com:nerfstudio-project/nerfstudio.git
 cd nerfstudio
+pip install --upgrade pip setuptools
 pip install -e .
-
 ```
 
 :::{admonition} Note
@@ -54,8 +54,8 @@ ns-install-cli
 **Development packages**
 
 ```bash
-pip install -e.[dev]
-pip install -e.[docs]
+pip install -e .[dev]
+pip install -e .[docs]
 ```
 
 ## Installation FAQ