Added README

README.md

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+## ccat
+
+ccat is a file printing tool (like 'cat') which uses Regular Expressions to highlight syntax highlighting.
+
+---
+
+### Features
+- Support for 11 colors: Red, Blue, Green, Magenta, Cyan, Black, White, Yellow, Gray, Orange and Dark Blue.
+- Adding more colors involves adding a line of code, then recompiling.
+- Regex-color mappings are stored in configuration files.
+- Uses the file extension to determine which configuration file to use.
+- Highly extensible - to add a config file for an specific file type, name the file `<extension>.conf`.
+- Support for printing line numbers with the `-n` flag.
+- Statically linked Go binary - no runtime dependencies, config files are distributed along with the binary.
+- Cross-platform
+
+---
+
+### Installing
+If you have the `go` command installed, run `make` after cloning the repository.
+
+### Getting Started
+The config files are embedded within the binary. They will automatically be installed to the correct location (`%APPDATA/ccat` on Windows, `~/.config/ccat` on UNIX) when the program is first run.
+TODO:
+- Allow user to define colors at runtime by reading RGB values from a config file.
+- Provide releases.