feat: assume aws role, save crendentials to profile or expose to envi…

…ronment variables (#5)

Co-authored-by: Wei Xu <wxu@seek.com.au>

README.md

@@ -4,32 +4,31 @@ Technically, it's the same with executing `aws sts assume-role --role-arn <role-
 and save credential to profile or export to env manually
 
 ## Install
-### Download pre-built executables
+- ### Download pre-built executables
+    ```bash
+    wget https://github.com/weixu365/aws-assume-role/releases/download/v1.0.0/aws-assume-role_darwin_amd64 -O aws-assume-role
+    chmod +x aws-assume-role
+    # Then copy aws-assume-role to one of your PATH folder, e.g. /usr/local/bin
+    ```
 
-```bash
-wget https://github.com/weixu365/aws-assume-role/releases/download/v1.0.0/aws-assume-role_darwin_amd64 -O aws-assume-role
-chmod +x aws-assume-role
-# Then copy the file to one of your PATH folder
-```
-
-### Install from source
-```bash
-cargo install --git https://github.com/weixu365/aws-assume-role.git
-```
+- ### Install from source
+    ```bash
+    cargo install --git https://github.com/weixu365/aws-assume-role.git
+    ```
 
 ## Assume AWS Role
-### Create/Update profile
-```bash
-aws-assume-role --profile <profile-name> --session-name <session-name> --role-arn <role-arn>
-```
+- ### Create/Update profile
+    ```bash
+    aws-assume-role --profile <profile-name> --session-name <session-name> --role-arn <role-arn>
+    ```
 
-Or add to alias
-```
-alias myrole='aws-assume-role --profile <profile-name> --session-name <session-name> --role-arn <role-arn>'
-```
-and just execute `myrole` at any time you need
+    Or add to alias
+    ```bash
+    alias myrole='aws-assume-role --profile <profile-name> --session-name <session-name> --role-arn <role-arn>'
+    ```
+    and just execute `myrole` at any time you need
 
-### Export into current environment variable using `export`
-```bash
-eval $(aws-assume-role --session-name <session-name> --role-arn <role-arn>)
-```
+- ### Export into current environment variable using `export`
+    ```bash
+    eval $(aws-assume-role --session-name <session-name> --role-arn <role-arn>)
+    ```