specify .bashrc location clearly and delete uncessary cmds. (#60)

* update docs

* rename

* fix bug

* update doc

* revert

* add docs

* refactor

* refactor

* refactor

* modify cluster installation document

* add cluster_node.md

* fix

* add png

* change png

* change host name

* modify

* add cluster_code ref

* modify

* modify

* modify

* modify

* modify

* modify

* refactor

* add cluster_api for doc-cn

* update png url

* fix url

* change

* fix bug

* add hive-site.xml step

* fix missing url

* change

* change

* emphasize local

* enchancement

* delete uncessary

* enchancement

* delete uncessary

Author: czs007

doc-cn/source/install/install_arctern_on_spark_cn.md

@@ -10,7 +10,7 @@
 
 ## 安装并配置 Spark
 
-以下对 local 模式的 Spark 安装和配置流程进行介绍。
+以下对 **local** 模式的 Spark 安装和配置流程进行介绍。
 > **注意：** 若需要以集群模式安装 Spark ，请参考 [Spark 官方文档](https://spark.apache.org/docs/latest/) 。
 同时也可以参考 [在 Spark 集群上安装部署 Arctern](./cluster_installation.md)。
 
@@ -121,7 +121,7 @@ $ wget https://raw.githubusercontent.com/arctern-io/arctern/branch-0.3.x/spark/p
 > **注意：** 此种方式不强制要求进入 Conda 环境。
 
 ```bash
-$ spark-submit <path/to/spark_udf_ex.py>
+$ spark-submit --master local <path/to/spark_udf_ex.py>
 ```
 
 若最后结果输出包含以下内容，则表示通过测试样例。

doc-cn/source/install/standalone_installation.md

@@ -53,8 +53,7 @@ $ sudo yum install mesa-libGLU-devel mesa-libOSMesa-devel
 ```
 $ wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
 $ bash Miniconda3-latest-Linux-x86_64.sh -b
-$ echo "source $HOME/miniconda3/etc/profile.d/conda.sh" >> .bashrc
-$ rm Miniconda3-latest-Linux-x86_64.sh
+$ echo "source $HOME/miniconda3/etc/profile.d/conda.sh" >> $HOME/.bashrc
 ```
 
 关闭当前终端，并重新打开一个新的终端。在新终端中打印所有 Conda 环境。若出现 `base` 环境，则 Conda 安装成功。
@@ -101,4 +100,4 @@ $ conda activate arctern_env
 ```bash
 $ conda deactivate
 $ conda remove -n arctern_env --all
-```
+```

doc-en/source/quick_start/standalone_installation.md

@@ -53,8 +53,7 @@ Install [Miniconda](https://docs.conda.io/projects/conda/en/latest/user-guide/in
 ```
 $ wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
 $ bash Miniconda3-latest-Linux-x86_64.sh -b
-$ echo "source $HOME/miniconda3/etc/profile.d/conda.sh" >> .bashrc
-$ rm Miniconda3-latest-Linux-x86_64.sh
+$ echo "source $HOME/miniconda3/etc/profile.d/conda.sh" >> $HOME/.bashrc
 ```
 
 Close the current terminal. Then, open a new terminal and run the commands below to list all Conda environments in it. Conda installation is successful if the `base` environment is printed.
@@ -101,4 +100,4 @@ version : 0.2.0
 ```bash
 $ conda deactivate
 $ conda remove -n arctern_env --all
-```
+```