doc: document application

Author: BuddhiLW

README.md

@@ -11,31 +11,39 @@ Perfect for creating professional, customizable PDF documents as a service.
 ## Install
 
 ``` bash
-go install github.com/BuddhiLW/AutoPDF/cmd/AutoPDF@latest
-```
-
-## Testing
-
-``` bash
-go test ./...
+go install github.com/BuddhiLW/AutoPDF/cmd/autopdf@latest
 ```
 
 ## Usage
 
+### Build
+
 ``` bash
 cd ./internal/autopdf/test-data
 
-autopdf build template.tex config.yaml
-cat out/output.pdf
+autopdf build template.tex config.yaml # [optional: `clean`]
+file out/output.pdf
 ```
-
 Should output:
 
 ```
 file out/output.pdf 
 out/output.pdf: PDF document, version 1.5
 ```
 
+### Clean up auxiliary files
+
+``` bash
+autopdf clean <path-to-output-directory>
+```
+
+Or, more conveniently, you can use the `build` command with the `clean` flag:
+
+``` bash
+autopdf build template.tex config.yaml clean
+```
+
+
 ## License
 
 This project is licensed under the [Apache License 2.0](LICENSE).