Refactor readme.md to update usage instructions and command line options

Author: itsfuad

readme.md

@@ -1,55 +1,43 @@
-# SquirrelZip File compressor/archiver CLI-tool
+# SquirrelZip File Compressor/Archiver CLI Tool
 
-Simple CLI-tool for compressing files.
+Simple CLI tool for compressing and decompressing files.
 
 ## Usage
-Build
-```bash
+
+### Build
+
 ./build
-```
-
-Run
-```txt
-./sq -i <file1,file2> -o <outputDir>
-```
-
-```txt
-  -a    Read all files in the provided directory
-  -d    File path to decompress (Only one file at once)
-  -c    File paths to compress (Space separated file paths)
-  -o string
-        Output directory for compressed files (Optional)
-  -p string
-        Password for encryption (Optional)
-  -v    Print version
-```
+
+### Run
+
+./sq -c <file1,file2> -o <outputDir>
+
+  -v      Print version information
+  -c      Input files or directory to be compressed [strings] (Space separated)
+  -o      Output directory for compressed/decompressed files (Optional)
+  -a      Algorithm to use for compression (Optional) [string]
+  -p      Password for encryption (Optional) [string]
+  -all    Read all files in the provided directory (Optional)
+  -d      Input file to decompress [strings] (Space separated)
+  -h      Print help
+
 ## Examples
+
 ### Compress
 #### Compress without password:
-```txt
 ./sq -c file.txt file2.txt
-```
+
 #### Compress with password:
-```txt
 ./sq -c file.txt file2.txt -p mySecurepass1234
-```
-#### Or compress the whole directory:
-```txt
-./sq -a folder
-```
-#### To provide output path use `-o` flag:
-```txt
-./sq -c file.txt -o output/files
-```
-### Decompress without password
-```txt
-./sq -d compressed.sq
-```
-### Decompress with password
-```txt
-./sq -d compressed.sq -p mySecurepass1234
-```
 
+#### Or compress the whole directory:
+./sq -all folder
 
+#### To provide an output path use the `-o` flag:
+./sq -c file.txt -o output/files
 
+### Decompress without password:
+./sq -d compressed.sq
 
+### Decompress with password:
+./sq -d compressed.sq -p mySecurepass1234