[Doc] Update the getting_started documentation (#1775)

* Update faq.md

* Update getting_started.md

* Update the pytorch version

* Update faq.md

* Update mmcv installation scripts

* Update mmcv names

* Update installation scripts

docs/en/getting_started.md

@@ -48,8 +48,8 @@ Otherwise, you should refer to the step-by-step installation instructions in the
 ```shell
 pip install openmim
 mim install mmengine
-mim install mmcv>=2.0.0rc0
-mim install mmdet>=3.0.0rc0
+mim install 'mmcv>=2.0.0rc0'
+mim install 'mmdet>=3.0.0rc0'
 git clone https://github.com/open-mmlab/mmdetection3d.git -b dev-1.x
 cd mmdetection3d
 pip install -e .
@@ -60,13 +60,13 @@ pip install -e .
 ```shell
 pip install -U openmim
 mim install mmengine
-mim install mmcv>=2.0.0rc0
+mim install 'mmcv>=2.0.0rc0'
 ```
 
 **Step 1.** Install [MMDetection](https://github.com/open-mmlab/mmdetection).
 
 ```shell
-mim install mmdet>=3.0.0rc0
+mim install 'mmdet>=3.0.0rc0'
 ```
 
 Optionally, you could also build MMDetection from source in case you want to modify the code:
@@ -263,10 +263,10 @@ conda install -c pytorch pytorch torchvision -y
 # install mmengine and mmcv
 pip install openmim
 mim install mmengine
-mim install mmcv>=2.0.0rc0
+mim install 'mmcv>=2.0.0rc0'
 
 # install mmdetection
-mim install mmdet>=3.0.0rc0
+mim install 'mmdet>=3.0.0rc0'
 
 # install mmdetection3d
 git clone https://github.com/open-mmlab/mmdetection3d.git -b dev-1.x