📝 Added readme

docs/readme.md

@@ -0,0 +1,23 @@
+# Wiki CLI 
+View Wikipedia articles through the CLI
+
+## Installation
+### From release
+```bash
+curl -LO https://github.com/BetaPictoris/wiki/releases/latest/download/wcli    # Download the latest binary.
+sudo install -Dt /usr/local/bin -m 755 wiki                                    # Install Wiki CLI to "/usr/local/bin" with the mode "755"
+```
+
+### Build from source 
+```bash
+git clone [email protected]:BetaPictoris/wcli.git      # Clone the repository
+cd wiki                                             # Change into the repository's directory
+bash build.sh                                       # Build Wiki CLI
+sudo install -Dt /usr/local/bin -m 755 wiki         # Install Wiki CLI to "/usr/local/bin" with the mode "755"
+```
+
+### User install
+If you don't have access to `sudo` on your system you can install to your user's `~/.local/bin` directory with this command: 
+```bash
+install -Dt ~/.local/bin -m 755 wiki
+```