Added readme

srp_analysis/README.md

+# srp analysis
+
+This is a command line interface analysis tool that analyses the response time and overall schedulability.
+
+## Usage
+
+This is a cli tool that will run an example if no input file is given, see the Reading input from file section bellow for help or run the following for help.
+```
+srp_analysis --help
+```
+or 
+```
+srp_analysis -h
+```
+
+The output can be written to a file(see the "Writhing output to file" section bellow for help).
+
+There is a `-j` or `--json` flag to output the data in json format.
+
+### Reading input from file
+
+Reading the input from file can be done by running one of the following commands.
+```
+sro_analysis -i <FILE PATH>
+```
+or 
+```
+sro_analysis --in-file <FILE PATH>
+```
+
+where <FILE PATH> is the relative path to input json file.
+
+### Writhing output to file
+
+Writhing the output to file can be done by running one of the following commands.
+```
+sro_analysis -o <FILE PATH>
+```
+or 
+```
+sro_analysis --out-file <FILE PATH>
+```
+where <FILE PATH> is the relative path to output file.
+
+### Example
+
+An example of using the file `analysis.json` as input and outputting the result to a new file `analysed.txt`.
+```
+srp_analysis -i analysis.json -o analysed.txt
+```
+